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Bad White [126]
3 years ago
7

Literal equations Solve P=2(l+W) for l

Mathematics
2 answers:
Nina [5.8K]3 years ago
6 0

                          <u> P = 2(L +W)</u>

Divide each side of the equation by 2 :    P/2 = L + W

Subtract  W  from each side :                <em>  P/2 - W  =  L</em>


Nataly_w [17]3 years ago
6 0
P=2(l+W)\\&#10;l+W=\dfrac{P}{2}\\&#10;l=\dfrac{P}{2}-W&#10;&#10;&#10;
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A used-car dealer sold one car at a profit of 25 percent of the dealer's purchase price for that car and sold another car at a l
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Answer:

C. 1000 loss.

Step-by-step explanation:

Let x represent purchase price of each car.

We have been given that a used-car dealer sold one car at a profit of 25 percent of the dealer's purchase price for that car and sold another car at a loss of 20 percent of the dealer's purchase price for that car.

We can represent the car that dealer sold with 25% profit to find purchase price as:

x+0.25x=20,000

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\frac{1.25x}{1.25}=\frac{20,000}{1.25}

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Therefore, the purchase price of 1st car was $16,000.

We can represent the car that dealer sold with 20% loss to find purchase price as:

x-0.20x=20,000

0.80x=20,000

\frac{0.80x}{0.80}=\frac{20,000}{0.80}

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Therefore, the purchase price of 2nd car was $25,000.

The total purchase price of both cars would be 16,000+25,000=41,000

The total sale price of both cars 20,000+20,000=40,000.

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3 years ago
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