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anonymous

  • one year ago

Matt is making cookies. He adds 3 over 4 cup of sugar to a bowl. He then removes two 1 over 8 cups of sugar. Which of the following best explains the amount of sugar left in the bowl?

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  1. anonymous
    • one year ago
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    tal tal the multiple choices are too long and i cant copy and paste sorry

  2. Tal_Tal
    • one year ago
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    Well you subtract 3/4 and 1/8 do you know how?

  3. anonymous
    • one year ago
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    nope

  4. Tal_Tal
    • one year ago
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    okay let me try to explain this hold on

  5. anonymous
    • one year ago
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    no prob

  6. Tal_Tal
    • one year ago
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    1/8 = 1/8 - you're set for the first one. 3/4 x 2/2 = 6/8 - all I did there was multiply the fraction by '1' only in the form of '2/2.' 1/8 - 6/8 Just subtract the numerators. -5/8 -- ANSWER. Hope this helped, and good luck!! :)

  7. anonymous
    • one year ago
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    that is not one of my multiple choices so idk.....

  8. Tal_Tal
    • one year ago
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    Oh can you just put the numbers for your choices

  9. anonymous
    • one year ago
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    3/8,3/8, 4/8, 4/8

  10. mathstudent55
    • one year ago
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    @Tal_Tal An important part of solving a math problem is getting an answer that makes sense. The problem states that a person added an amount of sugar to a bowl. Then some sugar was removed from the bowl. You can end up with some sugar or no sugar in the bowl, but your answer of a negative amount makes no sense because it has no meaning in the real world. That means your answer cannot be correct.

  11. mathstudent55
    • one year ago
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    @abby1012 I'm trying to understand the problem. At first, 3/4 cup of sugar was added to the bowl, right?

  12. Tal_Tal
    • one year ago
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    Thank you for pointing that out I'll keep that in mind next time!

  13. anonymous
    • one year ago
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    um okay so if his own is wrong what is it ?

  14. anonymous
    • one year ago
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    yes @mathstudent55 but it has because and then it has numbers sorry cant copy and paste

  15. mathstudent55
    • one year ago
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    3/4 cup was added to the bowl. The 2 amounts of 1/8 cup each were taken from the bowl. Is this what the problem is telling you?

  16. mathstudent55
    • one year ago
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    @abby1012 It's ok. That's why I'm asking to make sure I understand the problem before I try to help you.

  17. anonymous
    • one year ago
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    yes i guess

  18. anonymous
    • one year ago
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    Matt is making cookies. He adds 3 over 4 cup of sugar to a bowl. He then removes two 1 over 8 cups of sugar. Which of the following best explains the amount of sugar left in the bowl?

  19. anonymous
    • one year ago
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    that is all i can copy and paste

  20. mathstudent55
    • one year ago
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    \(\sf He ~adds ~3/4 ~cup ~of ~sugar ~to ~a ~bowl.\) \(\sf He ~then ~removes ~\color{red}{two}~ 1/8 ~cups ~of ~sugar.\)

  21. anonymous
    • one year ago
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    @vzfreakz

  22. anonymous
    • one year ago
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    yip

  23. mathstudent55
    • one year ago
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    |dw:1444240879406:dw|

  24. anonymous
    • one year ago
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    yes

  25. Tal_Tal
    • one year ago
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    Mathstudent can you help me with my question once you are done? thank you!!

  26. mathstudent55
    • one year ago
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    That means this is the calculation we need to do. |dw:1444241012258:dw|

  27. mathstudent55
    • one year ago
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    @Tal_Tal yes

  28. anonymous
    • one year ago
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    @vzfreakz

  29. anonymous
    • one year ago
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    and @mathstudent55 yes

  30. mathstudent55
    • one year ago
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    Since we are subtracting fractions, we need a common denominator. The LCD of 4 and 8 is 8, so we will use a common denominator of 8 for all 3 fractions.

  31. mathstudent55
    • one year ago
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    |dw:1444241100493:dw|

  32. anonymous
    • one year ago
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    ok

  33. mathstudent55
    • one year ago
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    @abby1012 Do you follow so far?

  34. anonymous
    • one year ago
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    yip i am still folowing

  35. mathstudent55
    • one year ago
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    When we subtract fractions, we subtract the numerators and just keep the common denominator.

  36. mathstudent55
    • one year ago
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    |dw:1444241197965:dw|

  37. mathstudent55
    • one year ago
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    What is 6 - 1 - 1 ?

  38. mathstudent55
    • one year ago
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    |dw:1444241249035:dw|

  39. mathstudent55
    • one year ago
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    |dw:1444241288309:dw|

  40. anonymous
    • one year ago
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    it is equal 4

  41. mathstudent55
    • one year ago
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    Correct. 6 - 1 - 1 = 4, so our numerator is now 4. The denominator is 8, so we have 4/8

  42. anonymous
    • one year ago
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    yip i see four over 8 on my multiple choice

  43. anonymous
    • one year ago
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    thanks i get it

  44. mathstudent55
    • one year ago
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    Since we now have 4/8, we need to reduce the fraction. We notice that both 4 and 8 are divisible by 4, so we can divide the numerator and denoninator by 4.

  45. mathstudent55
    • one year ago
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    |dw:1444241400761:dw|

  46. anonymous
    • one year ago
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    my multiple choice just wants 4/8 and why is it 4/8

  47. mathstudent55
    • one year ago
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    There is no 1/2 in your choices?

  48. anonymous
    • one year ago
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    no

  49. mathstudent55
    • one year ago
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    Then 4/8 is correct.

  50. anonymous
    • one year ago
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    but thanks u helped alot

  51. mathstudent55
    • one year ago
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    You're welcome.

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