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Популярное Word Problems >

Devaughn is 7 years younger than Sydney. The sum of their ages is 49 . What is Sydney's age?

Решение

De v a ug hn i s 7 ye a rs yo u n g er t han S y d n ey . T h e s u m o f t h e i r a g es i s 49 . Wha t i s S y d n e y^{'} s a g e ?

Решение

Sydney^{'} s age is : 28

Шаги решения

Translate the problem into an equation:

x + x + 7 = 49

Решите для

x, x + x + 7 = 49 : x = 21

Найдите Sydney's age

: 28

Sydney^{'} s age is : 28

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