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受欢迎的 Word Problems >

Alvin is 9 years older than Elga. The sum of their ages is 83 . What is Elga's age?:years old

解答

A l v in i s 9 ye a rs o l d er t han El g a . T h e s u m o f t h e i r a g es i s 83 . Wha t i s El g a^{'} s a g e ? : ye a rs o l d

解答

Alvin^{'} s age is : 46

Elga^{'} s age is : 37

求解步骤

Translate the problem into an equation:

x + x - 9 = 83

求解

x, x + x - 9 = 83 : x = 46

找到 age

Alvin^{'} s age is : 46

Elga^{'} s age is : 37

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