A parent is 36 and a child is 9. In how many years will the parent be three times the child's age? - Answer & Hint

A parent is 36 and a child is 9. In how many years will the parent be three times the child's age?

Type:Math

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Hint: Set up the unknown number and solve step by step.

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The answer is

4.5 years

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Let x be the years from now. 36 + x = 3(9 + x). That gives 36 + x = 27 + 3x, so 9 = 2x and x = 4.5.

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