SOLUTION: a man is three times as old as his son. four years ago, he was four times as old as his son was at that time.how old is the son?
i think its twelve. i've done it in a trial and
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i think its twelve. i've done it in a trial and
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Question 488780: a man is three times as old as his son. four years ago, he was four times as old as his son was at that time.how old is the son?
i think its twelve. i've done it in a trial and error way, but i need a solution..thank you^^ Found 2 solutions by solver91311, dannia22:Answer by solver91311(24713) (Show Source):
Let represent the son's age now. Then the father's age now is . Four years ago the father's age was and that is four times what the son's age was four years ago, namely , so:
Solve for .
John
My calculator said it, I believe it, that settles it
