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受欢迎的 Word Problems >

Pamela's age is two times Jiri's age. The sum of their ages is 15. What is Jiri's age?

解答

P am e l a^{'} s a g e i s tw o t im es J i r i^{'} s a g e . T h e s u m o f t h e i r a g es i s 15. Wha t i s J i r i^{'} s a g e ?

解答

Jiri^{'} s age is : 5

求解步骤

Translate the problem into an equation:

2 x + x = 15

求解

x, 2 x + x = 15 : x = 5

Jiri^{'} s age is : 5

流行的例子

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