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Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

Solución

Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

Solución

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

Pasos de solución

Translate the problem into an equation:

3 x + 7 + x + 7 = 34

Resolver para

x, 3 x + 7 + x + 7 = 34 : x = 5

Hallar age

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

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