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Ray Of Light [21]
3 years ago
12

A sporting goods store manager was selling a ski set for a certain price. The manager offered the markdowns shown on the right,

making the one day sale price of the ski set $328. Find the original selling price of the ski set.
Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0

<u>Answer:</u>

The original selling price is $520.632

<u>Explanation:</u><u> </u>

Consider the initial selling price be $x

After marking down 10%,

Final Selling price  = Selling price(1-10%)

Selling price = x – 10% of x = x – 0.1x = 0.9x

After marking 30%

Final Selling price  = Selling price(1-10%)

Selling price = 0.9x – 0.3*0.9x = 0.9x – 0.27x = 0.63x

According to the question,

0.63x = 328

x = \frac{328}{0.63} = 520.635

Therefore, the original selling price is $520.632

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Answer:

The answers would be 9 and 1.

Step-by-step explanation:

x= 5±√16 can be separated into two equations.

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1. 5+√16 can be solved by simplify √16, which is 4. So then it would become   5+4 which equals 9.

2. 5-√16 can be solved by simplifying √16 which is 4. So then it would become 5-4 which equals 1.

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