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daviddivin Group Title

Frank is now 24 years older than his daughter Judy. In three years the sum of their ages will be 96. How old is Frank now?

  • one year ago
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  1. shamim Group Title
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    let the age of daughter is\[x\]

    • one year ago
  2. shamim Group Title
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    so age of frank is\[x+24\]

    • one year ago
  3. dan815 Group Title
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    hey

    • one year ago
  4. shamim Group Title
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    after 3 yrs age of daughter will b \[x+3\]

    • one year ago
  5. shamim Group Title
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    after 3 yrs age of frank will b\[x+24+3\]

    • one year ago
  6. shamim Group Title
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    after 3 yrs their total age will b\[x+3+x+24+3=96\]

    • one year ago
  7. shamim Group Title
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    now solve it

    • one year ago
  8. Merps Group Title
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    that's a lot of solving .-.

    • one year ago
  9. Merps Group Title
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    why're you using that formula in this?

    • one year ago
  10. dan815 Group Title
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    oh sry i didnt see the 3 yrs

    • one year ago
  11. dan815 Group Title
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    |dw:1371732397431:dw|

    • one year ago
  12. dan815 Group Title
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    this is 3 years after

    • one year ago
  13. dan815 Group Title
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    so 60-3 = the age of frank right now

    • one year ago
  14. Shames Group Title
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    |dw:1371774802818:dw|

    • one year ago
  15. johnweldon1993 Group Title
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    I would do... Frank = Judy + 24 F = J + 24 In 3 years their sum will be 96 so (F + 3) + (J + 3) = 96 we know F = J + 24 so J + 24 + 3 + J + 3 = 96 J + J = 2J 2J + 24 + 3 + 3 = 96 2J + 30 = 96 2J = 66 J = 33 Judy is 33 and Frank is 33 + 24 = 57 so judy = 33 and frank = 57

    • one year ago
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