67.8k views
2 votes
A washer and dryer cost $815 combined. The washer cost $85 less than the dryer. What is the cost of the dryer?

User Luxerama
by
6.1k points

2 Answers

4 votes
$815 - $85 = $730

$730 / 2 = $365

cost of washer = $365
cost of dryer = $365 + $85 = $450
User Zhuziyi
by
6.6k points
1 vote
w + d = 815
w = d - 85

d - 85 + d = 815
2d - 85 = 815
2d = 815 + 85
2d = 900
d = 900/2
d = 450 <== dryer

w = d - 85
w = 450 - 85
w = 365 .....washer
User Harold Javier
by
7.2k points