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Популярное Word Problems >

In 5 years time Pam will be twice as old as Sam:was 2 years ago. Pam is 8 years older than Sam.:How old is Sam?

Решение

I n 5 ye a rs t im e P am w i ll b e tw i ce a s o l d a s S am : w a s 2 ye a rs a g o . P am i s 8 ye a rs o l d er t han S am . : Ho w o l d i s S am ?

Решение

Sam^{'} s age is : 17

Шаги решения

Translate the problem into an equation:

x + 5 = 2 (x - 8 - 2)

Решите для

x, x + 5 = 2 (x - 8 - 2) : x = 25

Найдите Sam's age

: 17

Sam^{'} s age is : 17

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