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The product of two numbers is 450. The first number is half the second number. Which equation can be used to find x, the greater number?

解答

The product of two numbers is 450. The first number is half the second number. Which equation can be used to find x, the greater number?

解答

The numbers : 15, 30 or - 15, - 30

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x y = 450

x = \frac{1}{2} y

x y = 450, x = \frac{1}{2} y : (x = 15, y = 30 x = - 15, y = - 30)

The numbers : 15, 30 or - 15, - 30

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