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| Math Central | Quandaries & Queries |
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Question from yomi, a student: five years ago, a father was 3times as old as is son, now their combines age's amount 110 years. what is the present age of the father? |
Yomi,
Suppose the father's age now is f and the son's age now is s. You then know that
f + s = 110.
What was the father's age 5 years ago?
What was the father's age 5 years ago?
At that time the father's age was 3 times the son's age. Write this in equation form. Solve the two equations for f and s.
Penny
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