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受欢迎的 Word Problems >

Dasha is 5 years older than Alex.The sum of their ages is 35. How old are Dasha and Alex

解答

D a s ha i s 5 ye a rs o l d er t han A l e x . T h e s u m o f t h e i r a g es i s 35. Ho w o l d a re D a s ha an d A l e x

解答

Dasha^{'} s age is : 20

Alex^{'} s age is : 15

求解步骤

Translate the problem into an equation:

x + x - 5 = 35

求解

x, x + x - 5 = 35 : x = 20

找到 age

Dasha^{'} s age is : 20

Alex^{'} s age is : 15

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