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In 6 years' time, Jane's father will be three times as old as her and the sum of their ages will be 64. How old is her father now?

解答

In 6 years' time, Jane's father will be three times as old as her and the sum of their ages will be 64. How old is her father now?

解答

Father^{'} s age is : 42

求解步骤

Translate the problem into an equation:

x + 6 + y + 6 = 64, y + 6 = 3 (x + 6)

x + 6 + y + 6 = 64, y + 6 = 3 (x + 6) : x = 10, y = 42

Father^{'} s age is : 42

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