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20 March, 01:50

A washer and a dryer cost $450 combined. The cost of the washer is two times the cost of the dryer. What is the cost of the dryer?

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  1. 20 March, 01:55
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    W+D=450

    W is 2 times D

    W=2D

    sub

    2D+D=450

    3D=450

    divide 3 both sides

    D=150

    dryer cost $150
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