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ladessa [460]
3 years ago
12

Francis heard that a car stereo system was on sale for 30% off. If the sale price was $57.75, what was the original price of the

stereo?
Mathematics
2 answers:
kkurt [141]3 years ago
8 0

Answer:

$82.50

Step-by-step explanation:

Francis heard that a car stereo system was on sale for 30% off.

The sale price was $57.75.

Let the original price of the car stereo system be 'x'

sale price = x - (30% of x) = 57.75

x - 0.3x = 57.75

0.7x = 57.75

x =  \frac{57.75}{0.7}

x = 82.5

The original price of the stereo system was $82.50.

Westkost [7]3 years ago
3 0

Answer:

$75.08

Step-by-step explanation:

30% of 57.75 is 17.33

 57.75

+

 17.33

-------------

75.08

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