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人気のある Word Problems >

the 差 of two numbers is 40 and the bigger number is 10 more than twice the smaller number

解

t h e d i ff ere n ce o f tw o n u mb ers i s 40 an d t h e bi gg er n u mb er i s 10 m ore t han tw i ce t h e s ma ll er n u mb er

解

The numbers : 70, 30

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 40

x = 10 + 2 y

x - y = 40, x = 10 + 2 y : x = 70, y = 30

The numbers : 70, 30

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