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受欢迎的 Word Problems >

The sum of two numbers is 17. Twice the smaller number is four greater than the larger number. What are the numbers?

解答

T h e s u m o f tw o n u mb ers i s 17. Tw i ce t h e s ma ll er n u mb er i s f o u r g re a t er t han t h e l a r g er n u mb er . Wha t a re t h e n u mb ers ?

解答

The numbers : 7, 10

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 17

2 x = 4 + y

x + y = 17, 2 x = 4 + y : x = 7, y = 10

The numbers : 7, 10

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