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受欢迎的 Word Problems >

The sum of a certain number and 3 times the number is 40. What is the number?

解答

T h e s u m o f a cer t ain n u mb er an d 3 t im es t h e n u mb er i s 40. Wha t i s t h e n u mb er ?

解答

The number : 10

求解步骤

Represent the number with

x

A.T.Q.:

x + 3 x = 40

求解

x, x + 3 x = 40 : x = 10

The number : 10

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