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Steve is three times as old as John. In 8 years, John's age will be one half that of Steve's. What are their present ages?

Solução

Steve is three times as old as John. In 8 years, John's age will be one half that of Steve's. What are their present ages?

Solução

John^{'} s age is : 8

Steve^{'} s age is : 24

Passos da solução

Translate the problem into an equation:

x + 8 = \frac{1}{2} (3 x + 8)

Resolver para

x, x + 8 = \frac{1}{2} (3 x + 8) : x = 8

Encontrar age

John^{'} s age is : 8

Steve^{'} s age is : 24

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