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father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is

Solución

father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is

Solución

Son^{'} s age is : 15

Father^{'} s age is : 45

Pasos de solución

Translate the problem into an equation:

3 x - 5 = 4 (x - 5)

Resolver para

x, 3 x - 5 = 4 (x - 5) : x = 15

Hallar age

Son^{'} s age is : 15

Father^{'} s age is : 45

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