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Популярное Word Problems >

The sum of the ages of a father and son is 56. Four years ago, the father was 3 times as old as the son.

Решение

T h e s u m o f t h e a g es o f a f a t h er an d so n i s 56. F o u r ye a rs a g o, t h e f a t h er w a s 3 t im es a s o l d a s t h e so n .

Решение

Father^{'} s age is : 40

Boy^{'} s age is : 16

Шаги решения

Translate the problem into an equation:

x - 4 = 3 (56 - x - 4)

Решите для

x, x - 4 = 3 (56 - x - 4) : x = 40

Найдите age

Father^{'} s age is : 40

Boy^{'} s age is : 16

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