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Популярное Word Problems >

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

Решение

C a r l a i s n o w tw i ce a s o l d a s J e nni f er . S e v e n ye a rs a g o, t h e s u m o f t h e i r a g es w a s 16. Ho w o l d i s e a c h g i r l n o w ?

Решение

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

Шаги решения

Translate the problem into an equation:

2 x - 7 + x - 7 = 16

Решите для

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

Найдите age

Jennifer^{'} s age is : 10

Carla^{'} s age is : 20

Популярные примеры

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