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The product of two numbers is 240. The first number is 8 less than the second number. Which equation can be used to find x, the lesser number

解答

The product of two numbers is 240. The first number is 8 less than the second number. Which equation can be used to find x, the lesser number

解答

The numbers : 12, 20 or - 20, - 12

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x y = 240

x = y - 8

x y = 240, x = y - 8 : (x = 12, y = 20 x = - 20, y = - 12)

The numbers : 12, 20 or - 20, - 12

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