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Ann is 4 years older than Julie. 4 years ago Ann was twice as old as Julie. Find their present ages.

Solución

Ann is 4 years older than Julie. 4 years ago Ann was twice as old as Julie. Find their present ages.

Solución

Ann^{'} s age is : 12

Julie^{'} s age is : 8

Pasos de solución

Translate the problem into an equation:

x - 4 = 2 (x - 4 - 4)

Resolver para

x, x - 4 = 2 (x - 4 - 4) : x = 12

Hallar age

Ann^{'} s age is : 12

Julie^{'} s age is : 8

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