sunshine7037 sunshine7037

12-11-2018
Mathematics

contestada

A washer and a dryer cost $699 combined. The washer costs $151 less than the dryer. What is the cost of the dryer?

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Аноним Аноним

12-11-2018

$350

(x) + (x+87) = 787

2x+87 = 787

2x = 700

x=350

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

12-11-2018

w=washer

d =dryer

w = d-151

w+d=699

substitute d-151 for the washer

d-151+d =699

combine like terms

2d-151 =699

add 151 to each side

2d =850

divide by 2

d = 450

Answer Link

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