sierraa998 sierraa998

02-07-2017
Mathematics

contestada

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

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texaschic101 texaschic101

02-07-2017

w + d = 770
w = d + 70

d + 70 + d = 770
2d + 70 = 770
2d = 770 - 70
2d = 700
d = 700/2
d = 350 <=== cost of dryer

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