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Home work question fro my Kid ?

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  • Home work question fro my Kid ?


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Answer #1 | 18/12 2013 14:10
The kid is 13. The father is 33 (13 + 20 = 33). The grandfather is 65 (5 x 13 = 65). To work it out, start with the 111 total and subtract the 20. That leaves 91. Divide the 91 by 7 and you get 13. Therefore, one-seventh (13) is the age of the kid, five-sevenths (65) is the age of the grandfather, and the remaining one-seventh is what you add to the 20 to get the father's age.

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