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Thomas is 4 times as old as John. In 12 years' time Thomas will be twice as old as John. What are their present ages?

Solución

Thomas is 4 times as old as John. In 12 years' time Thomas will be twice as old as John. What are their present ages?

Solución

John^{'} s age is : 6

Thomas^{'} s age is : 24

Pasos de solución

Translate the problem into an equation:

4 x + 12 = 2 (x + 12)

Resolver para

x, 4 x + 12 = 2 (x + 12) : x = 6

Hallar age

John^{'} s age is : 6

Thomas^{'} s age is : 24

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