Homework Help: Math

Posted by Norman on Thursday, July 5, 2007 at 9:59am.

John's present age is five years more than thrice the present age of his son. Five Years hence, John's age will be fifteen years more than twice the age of his son at that time. Find the present age of John and his son.

J=3*S +5
J+5=15+2*(S+5)

Find J

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