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3 years ago

A washer and a dryer cost $770 combined. The washer costs $70 more than the dryer. What is the cost of the dryer?

Mathematics

1 answer:

vazorg [7]3 years ago

8 0

Let w = washer and d = dryer:

w + d = $770,
but w = d + 70, replace w with d+70
(d+70) + d = 770
2d + 70 =770
2d = 770 -70 = 700
and d=$350, then w=350+70 = 420

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