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Phổ biến Word Problems >

Alvin's age is two times Elga's age. The sum of their ages is 69. What is Elga's age?

Lời Giải

A l v i n^{'} s a g e i s tw o t im es El g a^{'} s a g e . T h e s u m o f t h e i r a g es i s 69. Wha t i s El g a^{'} s a g e ?

Lời Giải

Elga^{'} s age is : 23

Các bước giải pháp

Translate the problem into an equation:

2 x + x = 69

Giải

x, 2 x + x = 69 : x = 23

Elga^{'} s age is : 23

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