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Popular Word Problems >

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

T h e p ro d u c t o f tw o n u mb ers i s 450. T h e f i rs t n u mb er i s ha l f t h e seco n d n u mb er . Whi c h e q u a t i o n c an b e u se d t o f in d x, t h e g re a t er n u mb er ?

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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