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인기 있는 Word Problems >

The product of two consecutive numbers is 72. What are the numbers?

해법

T h e p ro d u c t o f tw o co n sec u t i v e n u mb ers i s 72. Wha t a re t h e n u mb ers ?

해법

The numbers : 8, 9 or - 9, - 8

솔루션 단계

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 72

x (x + 1) = 72

해결 :

x = 8, x = - 9

x = 8

끼우다 :

9

x = - 9

끼우다 :

- 8

The numbers : 8, 9 or - 9, - 8

인기 있는 예

If john had 3 apples and ryan had 2, how many apples total 45% of what number is 63 The 원둘레 of a circle is 23pi in. What is the area, in square inches? Express your answer in terms of 8 is an even number science fair poster is a rectangle 36 inches long and 24 inches wide. What is the 지역 of the poster in square feet? Be sure to include the correct unit in your answer.