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Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.

Solución

Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.

Solución

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Pasos de solución

Translate the problem into an equation:

3 x - 12 = 6 (x - 12)

Resolver para

x, 3 x - 12 = 6 (x - 12) : x = 20

Hallar age

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

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