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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?

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?
asked 201k views
3 votes
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?

asked
User Jiri Janous
by
8.5k points

1 Answer

7 votes
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
answered
User Malaury Boudon
by
7.8k points
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