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Популярное Word Problems >

One year ago Kimi was twice the age of David. Now the sum of their ages is 35:How old is each now?

Решение

O n e ye a r a g o K imi w a s tw i ce t h e a g e o f D a v i d . N o w t h e s u m o f t h e i r a g es i s 35 : Ho w o l d i s e a c h n o w ?

Решение

Kimi^{'} s age is : 23

David^{'} s age is : 12

Шаги решения

Translate the problem into an equation:

x - 1 = 2 (35 - x - 1)

Решите для

x, x - 1 = 2 (35 - x - 1) : x = 23

Найдите age

Kimi^{'} s age is : 23

David^{'} s age is : 12

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