A man is four times as old as his son. The difference between their ages...

Mathematics

WAEC 2001

A man is four times as old as his son. The difference between their ages is 36 years Find the sum of their ages

A. 45 years
B. 48 years
C. 60 years
D. 74 years

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Correct Answer: Option C

Explanation

Let the sons age be x. The father is 4x
∴ 4x - x = 36; 3x = 36; x = 12
The son is 12 years and the father is 12 x 4 = 48.
The sum of their ages (12 + 48) years = 60years

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A man is four times as old as his son. The difference between their ages...

Correct Answer: Option C

Explanation

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