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M = 11J/6 ; J = 12S so S = J/12; M + J + S = 105 (117 - 3 x 4)

11J/6 + J + J/12 = 105

22J + 12J + J = 1260

35J = 1260 so J = 36

Mom is 66, Jess is 36 and her son is 3.

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โˆ™ 2010-02-14 17:28:33
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Q: The ratio of Jess age to her moms age is now 6 to 11 the ratio of jess age to her sons age is 1 to 12 In 4 more years the total of all ages will be 117 What are their ages now?
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