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Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel?

解答

Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel?

解答

Mel^{'} s age is : 15

求解步骤

Translate the problem into an equation:

x + x - 3 + 2 x = 57

求解

x, x + x - 3 + 2 x = 57 : x = 15

Mel^{'} s age is : 15

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