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15 February, 21:19

Patty is, right now, 3 times as her brother Terry. in 10 years, the sum of their age will be 36. how old are they right now? show your work.

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  1. 15 February, 21:28
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    Patty at year x will be 3 times the age of his brother

    In 10 years (year z) the sum of their age will be 36

    36-20=16

    (Twenty being ten years gained for each of them)

    16 is now the sum of their age in year x

    The following are options for the ages they could possibly be

    1-15 (1*3 does not equal 15)

    2-14 (2*3 does not equal 14)

    3-13 (3*3 does not equal 13)

    4-12 (4*3 equals 12) !

    5-11 (5*3 does not equal 11)

    6-10 (6*3 does not equal 10)

    7-9 (7*3 does not equal 9)

    8-8 (8*3 does not equal 8)

    Therefore the answer would be:

    Patty is 22 and his brother is 14
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