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人気のある Word Problems >

The sum of two numbers is 80. One number is 5 more than twice the other number. What are the two number?

解

T h e s u m o f tw o n u mb ers i s 80. O n e n u mb er i s 5 m ore t han tw i ce t h e o t h er n u mb er . Wha t a re t h e tw o n u mb er ?

解

The number : 25

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 80

x = 5 + 2 y

x + y = 80, x = 5 + 2 y : x = 55, y = 25

The number : 25

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