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Popular Word Problems >

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

Solution

6 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 ?

Solution

The numbers : 3, 4 or - 4, - 3

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

6 x (x + 1) = 72

Solve

6 x (x + 1) = 72 : x = 3, x = - 4

Plug in

x = 3 : 4

Plug in

x = - 4 : - 3

The numbers : 3, 4 or - 4, - 3

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