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Phổ biến >

A man is 27 years older than his son and 10 years from now, he will be twice as old as his son. How old is each now?

Lời Giải

A man is 27 years older than his son and 10 years from now, he will be twice as old as his son. How old is each now?

Lời Giải

Man^{'} s age is : 44

Son^{'} s age is : 17

Các bước giải pháp

Translate the problem into an equation:

x + 10 = 2 (x - 27 + 10)

Giải

x, x + 10 = 2 (x - 27 + 10) : x = 44

Tìm age

Man^{'} s age is : 44

Son^{'} s age is : 17

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