Tuesday
June 30, 2015

Homework Help: math

Posted by jess on Friday, July 25, 2008 at 9:56am.

John is three times as old as his son, Michael, and in x year time he will be twice as old as him
(i) write down expressions for Johns and Michaels age in x years time
(ii) write down and solve an equation in x

I know the answers as they are in the back of my book although I dont understand WHY that is, so please can someone explain it to me? Thank you so much in advance!

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