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受欢迎的 Word Problems >

Austin is 7 years younger than Clarissa and Austin is 2 years younger than Shaira. If the sum of their ages is 30, find each person's age.

解答

A u s t in i s 7 ye a rs yo u n g er t han Cl a r i ss a an d A u s t in i s 2 ye a rs yo u n g er t han S hai r a . I f t h e s u m o f t h e i r a g es i s 30, f in d e a c h p erso n^{'} s a g e .

解答

Austin^{'} s age is : 7

Clarissa^{'} s age is : 14

Shaira^{'} s age is : 9

求解步骤

Translate the problem into an equation:

x + x + 7 + x + 2 = 30

求解

x, x + x + 7 + x + 2 = 30 : x = 7

找到 age

Austin^{'} s age is : 7

Clarissa^{'} s age is : 14

Shaira^{'} s age is : 9

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