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anonymous

  • 4 years ago

the sum of the two smallest of five consecutive odd integers is 50 less than the sum of the other three integers. What is the smallest integer?

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  1. Mertsj
    • 4 years ago
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    The five integers are: x x+2 x+4 x+6 x+8

  2. Mertsj
    • 4 years ago
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    The sum of the two smallest is x + x+2 or 2x+2

  3. Mertsj
    • 4 years ago
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    That sum, 2x+2 is 50 less than the sum of the other three. The sum of the other three is 3x+18 So we have 2x+2=3x+18-50

  4. Mertsj
    • 4 years ago
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    Can you solve that?

  5. anonymous
    • 4 years ago
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    ya give me a min and I'll tell you the answer

  6. anonymous
    • 4 years ago
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    x=-34

  7. Mertsj
    • 4 years ago
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    I got 34 but that is not an odd integer.

  8. Mertsj
    • 4 years ago
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    Are you sure the problem said odd?

  9. anonymous
    • 4 years ago
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    my mistake it says even

  10. Mertsj
    • 4 years ago
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    Did you find you mistake in getting -34?

  11. anonymous
    • 4 years ago
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    3x+18-50=2x+2

  12. anonymous
    • 4 years ago
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    3x+34=2x

  13. anonymous
    • 4 years ago
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    34=-1x

  14. anonymous
    • 4 years ago
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    x=-34

  15. Mertsj
    • 4 years ago
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    3x+18-50=2x+2 3x-32 = 2x=2 3x=2x+34 x=34

  16. anonymous
    • 4 years ago
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    you didn't move the two from the other side cuz 18-50 is -32 then plus 2 is -30

  17. anonymous
    • 4 years ago
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    wait I see what you did

  18. Mertsj
    • 4 years ago
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    |dw:1327772166498:dw|

  19. anonymous
    • 4 years ago
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    got it

  20. Mertsj
    • 4 years ago
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    Good girl!!

  21. anonymous
    • 4 years ago
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    A man is currently 26yrs older than his son. 12yrs before the current time, the man will be twice as old as his son. what is the current age of the father?

  22. Mertsj
    • 4 years ago
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    x= son's age now x+26 = man's age now x-12= son's age 12 years ago x+26-12=man's age 12 years ago=x+14 x+14=2(x-12)

  23. Mertsj
    • 4 years ago
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    Can you solve it?

  24. anonymous
    • 4 years ago
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    x=52

  25. Mertsj
    • 4 years ago
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    i got 38

  26. anonymous
    • 4 years ago
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    okay what did I do wrong?

  27. anonymous
    • 4 years ago
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    2x+52=2x

  28. anonymous
    • 4 years ago
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    28+24=52

  29. Mertsj
    • 4 years ago
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    \[x+14=2x-24\]

  30. anonymous
    • 4 years ago
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    isn't there two x+14? or just that one?

  31. Mertsj
    • 4 years ago
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    |dw:1327773113418:dw|

  32. Mertsj
    • 4 years ago
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    So the son is 38, the father is 38+26 or 64 Twelve years the son was 26 and the father was 52 And 52 is twice 26 just like the problem says.

  33. anonymous
    • 4 years ago
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    wait soo I got the right answer to begin with?

  34. Mertsj
    • 4 years ago
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    If you said the son is 38 you did. Is that what you said?

  35. anonymous
    • 4 years ago
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    I said the dad is 52

  36. Mertsj
    • 4 years ago
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    Is 38+26 equal to 52?

  37. anonymous
    • 4 years ago
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    guess I was wrong

  38. Mertsj
    • 4 years ago
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    12 years ago the father was 52. He is now 64 and the problem asks how old the father is now.

  39. anonymous
    • 4 years ago
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    of course

  40. anonymous
    • 4 years ago
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    A woman is currently 21yrs older than her daughter. Eleven yrs before current time the daughter was 2/3 as old as her mother. What is hte mother's current age? tell me if I got this partly right........ x+21= daughter's current age x-2/3-11= daughter's age eleven yrs ago

  41. Mertsj
    • 4 years ago
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    Start out with x = daughter's age now

  42. Mertsj
    • 4 years ago
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    How old is her mother right now?

  43. anonymous
    • 4 years ago
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    doesn't say

  44. anonymous
    • 4 years ago
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    wait lolx+21 is the mother's age now

  45. anonymous
    • 4 years ago
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    can you help me formi it into an equation

  46. Mertsj
    • 4 years ago
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    so how old was the daughter 11 years ago?

  47. anonymous
    • 4 years ago
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    x-2/3-11

  48. anonymous
    • 4 years ago
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    eleven yrs ago she was 2/3rds her mothers age

  49. Mertsj
    • 4 years ago
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    How old are you?

  50. Mertsj
    • 4 years ago
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    Come on. It's not a hard question.

  51. anonymous
    • 4 years ago
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    me?

  52. Mertsj
    • 4 years ago
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    yes. I'm trying to help you understand these problems. Could you please just answer the question. It's not a hard one. If you want to make up a number I don't care. I'm not really interested in how old you are.

  53. anonymous
    • 4 years ago
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    okay give me some slack here...... ME and math don't get along that well

  54. anonymous
    • 4 years ago
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    I'm a freshman in college

  55. Mertsj
    • 4 years ago
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    That is NOT a number. How old is your roommate?

  56. anonymous
    • 4 years ago
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    ya me and roommates don't work parents paying for private rm here's a number

  57. anonymous
    • 4 years ago
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    19

  58. Mertsj
    • 4 years ago
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    How old was she 11 years ago?

  59. anonymous
    • 4 years ago
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    I prob didn't set the equation up right cuz I didn't get a whole # i got-98/3

  60. anonymous
    • 4 years ago
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    x+21=x-2/3-11+x

  61. Mertsj
    • 4 years ago
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    x= daughter's age now x+21=mother's age now x-11=daughter's age 11 years ago. x+21-11=x+10 = mother's age 11 years ago. x-11=2/3(x+10)

  62. Mertsj
    • 4 years ago
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    Solve it.

  63. anonymous
    • 4 years ago
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    x=55

  64. anonymous
    • 4 years ago
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    where did the x+10 come fromthough

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