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# Understanding Rates, Ratios & Proportions Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. How long will it take a car traveling at 32 mph to go 128 miles?

#### Question 2 2. A car goes 825 miles on 3 tanks of gas. How far can it go on 7 tanks of gas?

#### Question 3 3. A train travels at 60 mph for 5 hours, then slows to 50 mph for 2 hours. How many miles does it travel?

#### Question 4 4. A burrito artist can make 14 burritos in 5 minutes. How many burritos can she make in one hour?

#### Question 5 5. At meetings of the Rough Wood Handlers Organization, every member suffers from 7 splinters. How many splinters will there be when 11 members attend?

### Page 2

#### Question 6 6. If the campers at Camp Grilled Meat prefer hot dogs to hamburgers by a ratio of 4:3, and they need 500 hot dogs, how many hamburgers will they need?

#### Question 7 7. If you need 18 players per game and 72 players show up, how many games can you have?

#### Question 8 8. What is the mathematical process involved in solving a ratio?

#### Question 9 9. You have to buy 2 cases of soft drinks for every 9 people. If you have 27 people, how many cases of soft drinks do you need?

#### Question 10 10. Which of the following is NOT a recognized way to write a ratio?

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#### Question 11 11. Which of the following proportions is correctly set up?

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Question 12
12.
Solve the proportion for the unknown x:

25 / 15 = 125 / x

#### Question 13 13. A painting costs $225. If the sale price is $191.25, what is the percent discount?

#### Question 14 14. One box of cereal costs $3. How many boxes can you buy with $15?

#### Question 15 15. If it takes a team of three painters to paint a 7-room house in a day, how many painters are required to paint a 14-room house in a day?

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#### Question 16 16. Cassie buys a box of 36 batteries for 15 dollars. Express the rate in its simplest form.

#### Question 17 17. If a car drives at 60 miles per hour for 4 hours, how far will it go?

#### Question 18 18. A restaurant sells cheeseburgers to chicken sandwiches in a ratio of 7:2. If the restaurant sells 12 chicken sandwiches one day, how many cheeseburgers does it sell?

#### Question 19 19. If you are driving at 65 miles per hour, how long will it take you to go 130 miles?

#### Question 20 20. If it takes you an hour to bike 20 miles, what is your unit rate?

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#### Question 21 21. Which best describes the unit rate formula?

#### Question 22 22. Which of these is most helpful in checking a problem with rates?

#### Question 23 23. You are riding your scooter to a town that is 120 miles away and you can maintain a speed of 30 mph. How long will it take you?

#### Question 24 24. At its core, what is a rate?

#### Question 25 25. Olivia rides her bike at an average speed of 12 mph for 2 hours. How far does she go?

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#### Question 26 26. Suzie's Snakes and Salamanders Pet Shop has 38 snakes and 22 salamanders. If Suzie sells 9 snakes, what is the ratio of the remaining unsold snakes to sold snakes?

#### Question 27 27. Which of these is NOT a ratio?

#### Question 28 28. Solve the proportion: 5 / 22 = 6 / x

#### Question 29 29. Solve for x: 7/x = 28/16

#### Question 30 30. An aquarium has 14 seals, 22 penguins and 4 sea turtles. What is the ratio of sea turtles to seals?

#### Understanding Rates, Ratios & Proportions Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!