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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?

Solution

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

Solution

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

Solution steps

Translate the problem into an equation:

2 x - 7 + x - 7 = 16

Solve for

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

Find age

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

Popular Examples

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