## Mary purchased a concert ticket on a website. The original price of the ticket was $75. She used a coupon code to receive a 20% discou

Question

Mary purchased a concert ticket on a website. The original price of the ticket was $75. She used a

coupon code to receive a 20% discount. The website applied a 10% service fee to the discounted

price. Mary’s ticket was less than the original price by what percent?

A. 7%

B. 10%

C. 12%

D. 28%

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2022-02-16T11:56:56+00:00
2022-02-16T11:56:56+00:00 1 Answer
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## Answers ( )

Answer:Answer:

Mary’s ticket was less than the original price by 12 percent

Step-by-step explanation:

1. Let’s calculate the 20% discount price Mary received:

75 – 0.2 * 75 = 75 – 15 = $ 60

The discounted price is $ 60

2. Let’s calculate the 10% service fee to the discounted price:

60 + 0.1 * 60 = 60 + 6 = $ 66

The price including the service fee is $ 66

3. Finally, let’s calculate the less percentage than the original price:

Let’s use the Direct Rule of Three, this way:

Price Percentage

75 100

66 x

**************************

75x = 66 * 100

75x = 6,600

x = 6,600/75

x = 88

Less percentage = 100 – 88 = 12%

Mary ticket was less than the original price by 12 percent