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人気のある Word Problems >

the product of two consecutive positive numbers is 42.find the numbers

解

t h e p ro d u c t o f tw o co n sec u t i v e p os i t i v e n u mb ers i s 42. f in d t h e n u mb ers

解

The numbers : 6, 7

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 42

解く

x (x + 1) = 42 : x = 6, x = - 7

Select positive solutions:

6

x + 1 = 6 + 1 = 7

The numbers : 6, 7

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