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Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher.

解答

Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher.

解答

Christopher^{'} s age is : 42

Ishaan^{'} s age is : 84

求解步骤

Translate the problem into an equation:

2 x - 35 = 7 (x - 35)

求解

x, 2 x - 35 = 7 (x - 35) : x = 42

找到 age

Christopher^{'} s age is : 42

Ishaan^{'} s age is : 84

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