Quiz about Is of Percent Review

Question 1

Jesse is buying a stereo thats costs $799. If the sales tax is 7%, how much tax will Jesse have to pay for the stereo?

Accepted Answer

$55.93

Answer

$854.93

Answer

$743.07

Answer

$559.30

Question 2

Heather bought a CD on sale for $11 and a book that costs $14. The sales tax rate is 5%. How much tax did Heather pay for both items?

Accepted Answer

$1.25

Answer

$26.25

Answer

$12.50

Answer

$1.20

Question 3

Juan bought a laptop for $650 and a power adapter for $59. If the sales tax rate is 6%, what was the total tax Juan paid?

Accepted Answer

$42.54

Answer

$53.54

Answer

$425.40

Answer

$751.54

Question 4

Patricia took her family out to breakfast. The total cost of the food was$24. She left a 15% tip for the waiter. How much did Patricia leave for a tip?

Accepted Answer

$3.60

Answer

$3.80

Answer

$27.60

Answer

$0.36

Question 5

Logan and his father each have a sandwich and a drink for lunch at a restaurant. A sandwich costs $5.25 and a drink costs $1.75. Logan's father leaves a 20% tip. What is the amount of the tip?

Accepted Answer

$2.80

Answer

$1.40

Answer

$0.28

Answer

$16.80

Question 6

The regular price of a DVD is $24. During a sale, the price of a DVD is marked down 30%. What will be the sale price of the DVD?

Accepted Answer

$16.80

Answer

$7.20

Answer

$23.28

Answer

$20.00

Question 7

A toy store marks up its prices by 45%. What will be the price of a doll that the toy store bought for $12?

Accepted Answer

$17.40

Answer

$5.40

Answer

$12.54

Answer

$18.00

Question 8

At a clearance sale, Jolissa bought a jacket that was marked down by 60%. The regular price of the jacket was $89. How much did Jolissa pay for the jacket?

Accepted Answer

$35.60

Answer

$53.40

Answer

$83.66

Answer

$34.60

Question 9

Theo owns a hardware store. He marks up the price of all tools by 35%. What would be the price of a hammer at Theo's store if it cost him $30?

Accepted Answer

$40.50

Answer

$10.50

Answer

$40.00

Answer

$19.50

Question 10

A clothing store is having an anniversary sale. Every piece of clothing in the store is marked down by 15%. What is the sale price of a belt that has a regular price of $23?

Accepted Answer

$19.55

Answer

$18.00

Answer

$26.45

Answer

$3.45

Question 11

Sara earns a 15% commission on furniture that she sells. How much commission would she earn if she sells a dining room set for $850?

Accepted Answer

$127.50

Answer

$977.50

Answer

$722.50

Answer

$133.50

Question 12

Dmitri is a real estate agent. He earns a 3% commission on each house he sells. How much commission will Dmitri earn if he sells a house for $270,000?

Accepted Answer

$8,100

Answer

$6,000

Answer

$81,000

Answer

$261,900

Question 13

Joan receives a 9% commission on appliances she sells. Last month she sold $18,500 worth of appliances. How much did Joan earn in commissions last month?

Accepted Answer

$1,665.00

Answer

$16,650.00

Answer

$16,835.00

Answer

$1,660.00

Question 14

Eddie sold an antique lamp on an online auction website for $75. Eddie had to pay the website a fee of $6 on the final sale price. What percent of the sale price was the fee to the auction website?

Accepted Answer

8%

Answer

7%

Answer

7.4%

Answer

9%

Question 15

Monica sent $250 to her family overseas using an Internet service. She paid an additional fee of $15 to send the money electronically. What percent of the money sent was the fee to the Internet service?

Accepted Answer

5.66%

Answer

6%

Answer

5%

Answer

6.55%

Question 16

Tamiko earns 3% simple interest on the balance of her savings account. Her account had a balance of $3500. How much simple interest will Tamiko earn on the balance after 6 months?

Accepted Answer

$52.50

Answer

$525.00

Answer

$105.00

Answer

$50.00

Question 17

Pedro took out a 4-year loan for $32,500 to help pay his college tuition. He has to pay 4% simple interest on the loan. How much interest will Pedro have to pay?

Accepted Answer

$5200

Answer

$1300

Answer

$52,000

Answer

$650

Question 18

Jin took out a 6-year loan for $18,000 to buy a new car. He has to pay 2% simple interest on the loan. How much will Jin have paid in all after the 6 years?

Accepted Answer

$2,160

Answer

$21,600

Answer

$360

Answer

$2,500

Question 19

Last year there were 520 students enrolled at Olsen Middle School. This year there are 572 students enrolled. What is the percent of increase in the number of students?

Accepted Answer

10%

Answer

9%

Answer

9.09%

Answer

10.09%

Question 20

Matt's savings account balance went from $325 at the beginning of the month to $195 at the end of the month. What was the percent of decrease?

Accepted Answer

40%

Answer

44%

Answer

60%

Answer

6.6%

Question 21

The value of a car that costs $16,000 decreased to $12,000 after two years. What was the percent of decrease?

Accepted Answer

25%

Answer

75%

Answer

20%

Answer

22.5%

Question 22

Ana estimated the mass of an object to be 54 grams. The actual mass of the object was 45 grams. What was the percent error of Ana's estimate?

Accepted Answer

20%

Answer

0.2%

Answer

2%

Answer

40%

Question 23

Dane estimated that there were 420 people at a concert with him. The actual number of people at the concert was 375. What was the percent error of Dane's estimate?

Accepted Answer

12%

Answer

24%

Answer

48%

Answer

0.12%

Question 24

Nancy mistakenly measured the temperature of a heated liquid to be 48 degrees C. The actual temperature of the heated liquid was 5 degrees C. What was the percent error?

Accepted Answer

4%

Answer

0.04%

Answer

8%

Answer

10%

Question 25

Mrs. Piazza invested $8,000 in a certificate of deposit that pays 3% simple interest for 4 years. How much will be in Mrs. Piazza's account at the end of 4 years?

Accepted Answer

$8960

Answer

$960

Answer

$7040

Answer

$8240

Question 26

Last year a real estate broker sold 90 homes. This year she sold 63 homes. What was the percent of decrease in the number of homes she sold?

Accepted Answer

30%

Answer

27%

Answer

63%

Answer

70%

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