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Carla is now twice as old as Jennifer. Seven years ago, the sum of their ages was 16. How old is each girl now?

Solución

Carla is now twice as old as Jennifer. Seven years ago, the sum of their ages was 16. How old is each girl now?

Solución

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

Pasos de solución

Translate the problem into an equation:

2 x - 7 + x - 7 = 16

Resolver para

x, 2 x - 7 + x - 7 = 16 : x = 10

Hallar age

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

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