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olya-2409 [2.1K]
3 years ago
15

A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?

Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0
W+d=869
w=d-81
plug in
(d-81)+d=869
2d-81=869
+81 both sides
2d=950
÷2 both sides
d=475
dryer cost $475

let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)


MrMuchimi3 years ago
3 0
Let's assume the price of the washer is w and the price of the dryer is d.
w + d = 869
d - 81 = w
To find the cost of the dryer, we just need to substitute it for w in the first equation:
(d - 81) + d = 869
2d - 81 = 869
2d = 950
d = 475
The dryer is $475
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Answer:

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Step-by-step explanation:

a) Data and Calculations:

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Total variable costs = $500 ($5 * 100)

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Change in selling = $3.69 ($11 = $7.31) = 33.5%

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To realize a target return of $200,000, the unit sales = $700,000/$125 = 5,600 units

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To determine the values of the relative max and min, plug in the x-values to f(x).

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