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受欢迎的 Word Problems >

One positive number is 8 times another number. Their 差集 is 70:Find the numbers.

解答

O n e p os i t i v e n u mb er i s 8 t im es an o t h er n u mb er . T h e i r d i ff ere n ce i s 70 : F in d t h e n u mb ers .

解答

The numbers : 80, 10

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

1 \cdot x = 8 y

x - y = 70

1 \cdot x = 8 y, x - y = 70 : x = 80, y = 10

The numbers : 80, 10

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