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olinderbmbudhoc7o
olinderbmbudhoc7o olinderbmbudhoc7o
  • 19-05-2016
  • Mathematics
Answered

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?

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 20-05-2016

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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