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anonymous

  • 5 years ago

what are 5 fractions for 75%

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  1. anonymous
    • 5 years ago
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    hello?

  2. anonymous
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    hello

  3. anonymous
    • 5 years ago
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    well, ok, will start you off, what is 75%?

  4. anonymous
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    as a fraction

  5. anonymous
    • 5 years ago
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    trust me - I know you want to get this done, but it will be much faster to learn it

  6. anonymous
    • 5 years ago
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    2 out of 3?

  7. anonymous
    • 5 years ago
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    well, so when you see a %, you can start by thinking how many out of a 100

  8. anonymous
    • 5 years ago
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    so 75% is 75/100

  9. anonymous
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    wait wait 3 out of 4

  10. anonymous
    • 5 years ago
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    so if I say 75% of people love fractions, exactly!

  11. anonymous
    • 5 years ago
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    yes 3/4 is 75%

  12. anonymous
    • 5 years ago
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    and by definition, 75/100 is 75%

  13. anonymous
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    so you can follow the same strategy as before

  14. anonymous
    • 5 years ago
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    you can either start at 75/100 and reduce

  15. anonymous
    • 5 years ago
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    by reduce I mean you can evenly divide both the top and bottom by the same number

  16. anonymous
    • 5 years ago
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    or you can start at 3/4 and multiply

  17. anonymous
    • 5 years ago
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    ok

  18. anonymous
    • 5 years ago
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    so go ahead and try, and I'll check it for you

  19. anonymous
    • 5 years ago
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    but on a conceptual level - 75% basically means out of say 100 people, 75 people will do X

  20. anonymous
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    wait what do i multiply

  21. anonymous
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    well, just like last time, you started with 2/3

  22. anonymous
    • 5 years ago
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    and multiplied it by 2/2-6/6

  23. anonymous
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    you can start at 3/4, and multiply by 2/2 - 6/6

  24. anonymous
    • 5 years ago
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    now the reason you can do this, is because 2/2, 3/3, 4/4, 5/5, 6/6, they're all actually equal to 1

  25. anonymous
    • 5 years ago
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    k

  26. anonymous
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    and multiplying ANYTHING by 1, gets the same basic thing (hence "equivalent")

  27. anonymous
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    so you're really just multiplying by 1 in different but "equivalent" ways

  28. anonymous
    • 5 years ago
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    1.6/8

  29. anonymous
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    correct

  30. anonymous
    • 5 years ago
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    yay

  31. anonymous
    • 5 years ago
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    =)

  32. anonymous
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    um so the next one would be 3/4 and 3/3

  33. anonymous
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    hmmm, well, those are not equal to 1

  34. anonymous
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    3/4 is 75%

  35. anonymous
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    or .75

  36. anonymous
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    it's only equivalent if you multiply the original fraction by 1

  37. anonymous
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    since 2x1 = 2, 3x1 = 3 etc... anything multiplied by 1 = 1

  38. anonymous
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    now fraction wise, the definition of "1" is something divided by itself

  39. anonymous
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    so 1/1, 2/2, 3/3, 4/4, 5/5....

  40. anonymous
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    those are all equal to 1

  41. anonymous
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    and so if you multiple the original fraction by any of those, you'll have an equivalent fraction (since you've just multiplied by 1)

  42. anonymous
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    but it may look different, since there are bigger numbers on the top and the bottom

  43. anonymous
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    so the first one you did was correct, you multiplied by 2/2

  44. anonymous
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    now you want to multiply by 3/3 and on

  45. anonymous
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    so i multiply 3/4 and 3/3

  46. anonymous
    • 5 years ago
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    oh sorry lol

  47. anonymous
    • 5 years ago
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    I was still stuck on the last question

  48. anonymous
    • 5 years ago
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    which was 2/3

  49. anonymous
    • 5 years ago
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    yes!

  50. anonymous
    • 5 years ago
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    you are in fact right haha

  51. anonymous
    • 5 years ago
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    sorry =)

  52. anonymous
    • 5 years ago
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    its ok

  53. anonymous
    • 5 years ago
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    9/12!

  54. anonymous
    • 5 years ago
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    yes! =)

  55. anonymous
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    yay

  56. anonymous
    • 5 years ago
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    and ps, you can check these by plugging them into your calculator

  57. anonymous
    • 5 years ago
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    3/4 and 4/4

  58. anonymous
    • 5 years ago
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    75% can also be written as .75

  59. anonymous
    • 5 years ago
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    because 75/100 is .75

  60. anonymous
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    (move the decimal places two to the left)

  61. anonymous
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    so every fraction you give me, if you put it in your calculator and divide, should equal .75

  62. anonymous
    • 5 years ago
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    the next answer is 12/16

  63. anonymous
    • 5 years ago
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    correct =)

  64. anonymous
    • 5 years ago
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    wow lol=)

  65. anonymous
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    so if you divide 12 by 16 in your calculator, you will get .75

  66. anonymous
    • 5 years ago
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    thats incredible

  67. anonymous
    • 5 years ago
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    it makes a lot of sense once you practice =). and that's when math starts getting fun - once it finally makes sense

  68. anonymous
    • 5 years ago
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    so keep going =)

  69. anonymous
    • 5 years ago
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    ok

  70. anonymous
    • 5 years ago
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    15/20!!!

  71. anonymous
    • 5 years ago
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    mhmm =)

  72. anonymous
    • 5 years ago
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    good work!

  73. anonymous
    • 5 years ago
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    ok now can u help me with 60%

  74. anonymous
    • 5 years ago
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    ok sure, and it's important you learn the other side of fractions, reduction

  75. anonymous
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    meaning you start with a big fraction, and then reduce it to equivalent fractions (make the numbers smaller)

  76. anonymous
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    so 75% - we said a basic definition of that is 75/100

  77. anonymous
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    as in if 75% of people like football, 75/100 people like football

  78. anonymous
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    so what is 60%?

  79. anonymous
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    3/5 is 60%

  80. anonymous
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    that is definitely true =)

  81. anonymous
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    ok so let's do this systematically

  82. anonymous
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    65% is the same thing as .65

  83. anonymous
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    sorry lol

  84. anonymous
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    60% is the same thing as .6

  85. anonymous
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    which is the same thing as .6/1

  86. anonymous
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    ok but that's not even numbers

  87. anonymous
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    but remember what we can do to fractions to get equivalent fractions

  88. anonymous
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    multiply by 1

  89. anonymous
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    so in this case, we want to get rid of the decimal place

  90. anonymous
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    since fractions don't have decimals (in this context)

  91. anonymous
    • 5 years ago
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    so let's multiple by 10/10

  92. anonymous
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    ok

  93. anonymous
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    which will move each decimal point by one place (since it's one zero in 10)

  94. anonymous
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    you know i owe you big time for this

  95. anonymous
    • 5 years ago
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    it's ok! I've been there, just learned this last year

  96. anonymous
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    so .6/1 x 10/10 = (.6 x 10)/ (1 x 10)

  97. anonymous
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    so we know that 60% - which is the same thing as .6 , actually equals 6/10

  98. anonymous
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    what year of high school are you in i just started junior year

  99. anonymous
    • 5 years ago
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    you can use that system to turn *any* % into a fraction

  100. anonymous
    • 5 years ago
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    I'm a Sr.!

  101. anonymous
    • 5 years ago
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    awesome

  102. anonymous
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    basically multiple by some power of 10, to get rid of the decimals, and you have the equivalent fraction

  103. anonymous
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    so .6/1 x 10/10 = 6/10

  104. anonymous
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    so we know that 6/10 is one equivalent fraction to .6

  105. anonymous
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    if you put it in the calculator, you will see that it's true

  106. anonymous
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    so now that you know 60% is 6/10, you can use the same system (multiplying by 1), to get five equivalent fractions

  107. anonymous
    • 5 years ago
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    wow your right

  108. anonymous
    • 5 years ago
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    so as a side note before returning to the question, here are a few more examples:

  109. anonymous
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    63% = .63/1 . well, we would need to multiple by 100/100 just so .63 doesn't have a decimal

  110. anonymous
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    so .63/1 x 100/100 = 63/100

  111. anonymous
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    so now you know that 63% is also .63, but also the fraction 63/100

  112. anonymous
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    anyway so back to the question: you now know that 60% = 6/10

  113. anonymous
    • 5 years ago
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    OMG it my curfiew gotta go lets start a session tomorrow around 5:00!!!!!!!!!

  114. anonymous
    • 5 years ago
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    ok =) I'll be around here probably 5 or 6. what timezone lol?

  115. anonymous
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    west coast?

  116. anonymous
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    pm

  117. anonymous
    • 5 years ago
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    oh I meant, are you west coast or east coast, since your 5pm may be my 8pm

  118. anonymous
    • 5 years ago
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    what city u live in

  119. anonymous
    • 5 years ago
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    lol

  120. anonymous
    • 5 years ago
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    atlanta, georgia

  121. anonymous
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    louisville,kentucky

  122. anonymous
    • 5 years ago
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    ok cool =)

  123. anonymous
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    well I'll be around tomorrow evening too then

  124. anonymous
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    bye bffl

  125. anonymous
    • 5 years ago
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    ok! yep ttytm!

  126. anonymous
    • 5 years ago
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    =) and ty

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