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horrorfan [7]
2 years ago
8

A washer and a dryer cost $819 combined. The washer costs $69 more than the dryer. What is the cost of the dryer?

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
4 0

Answer:

the dryer costs $450

step-by-step explanation:

w + d = 831

w = d-69 (they told us we will have to take $69 from the cost of the dryer to determine the cost of the washer)

(d-69) + d = 831

Let's combine like terms

2d - 69 = 831

add 69 to both sides to solve for d

2d = 900

divide both sides by 2 to solve for d

d = 450; the dryer costs $450

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