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Phổ biến Word Problems >

Devaughn's age is two times Sydney's age. The sum of their ages is 78 . What is Sydney's age?

Lời Giải

De v a ug h n^{'} s a g e i s tw o t im es S y d n e y^{'} s a g e . T h e s u m o f t h e i r a g es i s 78 . Wha t i s S y d n e y^{'} s a g e ?

Lời Giải

Sydney^{'} s age is : 26

Các bước giải pháp

Translate the problem into an equation:

2 x + x = 78

Giải

x, 2 x + x = 78 : x = 26

Sydney^{'} s age is : 26

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