Quiz about Proportions and Percents

Question 1

Wilson is traveling from his house to a campsite. On his map, the campsite is 4.8 centimeters (cm) away from Wilson's house. The map is scaled such that 3 cm = 100 miles (mi). How far away is the campsite from Wilson's house?

Accepted Answer

160 mi

Answer

120 mi

Answer

200 mi

Answer

100 mi

Question 2

Gino shaded a grid area representing his rectangular office. The grid is 5 boxes x 3 boxes. The grid has a scale factor of $$\frac{1}{3}$$ , and each square on the grid represents a square of office space with a side length of 2 feet (ft). What are the dimensions of Gino's office, in feet?

Accepted Answer

18 ft x 30 ft

Answer

6 ft x 10 ft

Answer

9 ft x 15 ft

Answer

27 ft x 45 ft

Question 3

The scale for the areas of two squares is 1:4. The length of the small square is 6 feet. What is the length of the large square?

Accepted Answer

12 feet

Answer

24 feet

Answer

48 feet

Answer

96 feet

Question 4

Jack ran 1/2 mile in 5 minutes. How fast was Jack running in miles per hour (mph)?

Accepted Answer

6.0 mph

Answer

2.5 mph

Answer

10.0 mph

Answer

12.0 mph

Question 5

Tim's bill at a restaurant is $40.00. Tim pays the bill, adding a tip of 25% for the server. What is the total amount of money Tim spends at the restaurant?

Accepted Answer

$50.00

Answer

$45.00

Answer

$55.00

Answer

$60.00

Question 6

Brett bought a lamp and a bookcase at a store. The store was having a sale, with everything 10% off the original prices. The original price of the bookcase was $$50.\ \ Brett\ spent\ a\ total\ of$$ 82.62, which included 8% sales tax. What was the original price of the lamp?

Accepted Answer

$35.00

Answer

$30.97

Answer

$32.62

Answer

$34.02

Question 7

Audrey can use her laptop in energy-saving battery mode for seven hours. In regular battery mode, her laptop can be used for five hours. Audrey used her laptop for three hours in energy-saving battery mode. How many more hours can she use it in regular battery mode?

Accepted Answer

2 6/7 hours

Answer

2 1/4 hours

Answer

2 4/5 hours

Answer

4 1/5 hours

Question 8

A shoe store has a sale where customers can buy 1 pair of shoes at the regular price and get 1 pair for 50% off. Loren has a coupon for a 20% discount on the total purchase price after other sales are applied. Loren purchases 2 pairs of shoes that normally cost $40 each. What is the total percentage (%) of Loren's discount for the shoes?

Accepted Answer

40%

Answer

50%

Answer

30%

Answer

20%

Question 9

Franco buys pizzas and sandwiches for a party. Franco buys 30 items total, with the ratio of 2:3 pizzas to sandwiches. Which statement explains the number of pizzas Franco buys?

Accepted Answer

Franco buys 12 pizzas; $$\frac{2}{5}$$ of 30 is 12.

Answer

Franco buys 10 pizzas; $$\frac{1}{3}$$ of 30 is 10.

Answer

Franco buys 18 pizzas; $$\frac{3}{5}$$ of 30 is 18.

Answer

Franco buys 20 pizzas; $$\frac{2}{3}$$ of 30 is 20.

Question 10

Emma went shopping. The cost of the items she bought was $46.00 before 7% sales tax was added. What is the total amount Emma spent on her purchase?

Accepted Answer

$49.22

Answer

$39.99

Answer

$59.50

Answer

$45.00

Question 11

James shopped at two stores, Waldo's and Dapper's. James got a 20% discount at Waldo's. He got a 30% discount at Dapper's, and he saved $$39.00 off his total there. James would have spent $$ 200.00 total if neither store had offered a discount. How much would James have spent at Waldo's without its 20% discount?

Accepted Answer

$70.00

Answer

$87.50

Answer

$109.00

Answer

$147.00

Question 12

Austin is setting up a website for a research project. He can choose between two payment plans for the website.

Plan 1 is $12.00 per month plus 8% sales tax and is paid at the beginning of each month of use.
Plan 2 is $96.00 per year plus 8% sales tax and is paid at the beginning of each year of use.

The research project will last 18 months. Neither payment plan allows a refund for unused time. What is the difference in Austin's cost between plan 1 and plan 2?

Accepted Answer

$ 25.92

Answer

$ 30.00

Answer

$ 20.00

Answer

$ 15.00

Proportions and Percents

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