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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?

Solution

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?

Solution

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

Solution steps

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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