Unit 2 – Ratios and Proportions Unit Test Review

Jeremy’s password is the combination of letters and numbers shown below. Use Jeremy’s password to write each ratio three ways. 2 7 R Q A 5 8 E 3 Letters to Numbers Odd to Even Numbers Vowels to Letters

Solve. Out of 28 students in the class, 21 wore sneakers to school. What is the ratio of students who wore sneakers to those who did not wear sneakers? Of the 18 students at a dance camp, 6 are boys. What is the ratio of girls to students at the camp?

Solve. The following is a chart showing the number of animals in the zoo by type. What is the ratio, in simplest form, of monkeys to all animals? Bears 4 Monkeys 14 Elephants 8 Penguins 22

Solve. LaDarren traveled 1200 miles in 15 hours. Write the unit rate. Lorelei traveled 300 miles in 4 hours. Write the unit rate.

Use equivalent ratios to complete each table. 1. 2. Number of Hours 6 12 24 36 54 Number of Meters 18 Number of Pages 80 160 280 320 400 Number of Books 8

Solve. Which of the following ratios is NOT equivalent to the ratio 5 6 ? Explain. 10 12 , 13 14 , 15 18 , 25 30

Find each unit rate. 2,736 yards in 8 seconds. $5.85 for 9 rolls.

Find each unit rate. Then write which is the better buy. $1.92 for 4 apples or $4.20 for 10 apples. $24 for 6 pounds of cereal or $45 for 9 pounds of cereal.

Solve each problem. Harper bought 4 chairs for $232. Whats’ the unit price? How much will 6 chairs cost? A painter uses 2 tubes of black paint for every 6 tubes of white paint to paint a mural. At that rate, how many tubes of black paint are used if 15 tubes of white paint are used?

Use the information given to complete the table. For every 15 sit-ups Ryan does, he does 10 push-ups. Create a table of equivalent ratios that shows the relationship between the number of sit-ups and the number of push-ups Ryan does. Number of Sit-Ups Number of Push-Ups

Find the percent of each number.

Find each percent. 5 is 10% of what number? 12 is 30% of what number?

Solve. The ribbon on a spool is 10 yards long. How many 6-inch pieces of ribbon can be cut from the spool? 30 b. 40 c. 50 d. 60

State if each pair forms a proportion. 4 2 , 20 6 6 9 , 2 3

Solve each proportion. 10 𝑘 = 8 4 4 9 = 2 𝑑

Answer the following question. In the table below, what is the ratio of girls’ favorite color to the boys’ favorite color? Blue Red Green Pink Boys 27 16 6 1 GIrls 4 8 54

Solve. Wylan can read 10 pages of his book in 14 minutes. How many minutes will it take him to read his book that is 190 pages long? The LeBlanc family is on a car trip to the beach. They will travel 650 miles from home to the shore. If they travel at an average speed of 40 miles per hour, including several short stops to buy gas, etc., how many hours will it take them to get to the shore? a. 16.25 b. 15.75 c. 16.5 d. 17.25

Solve. In a survey of 800 students, 70% said they liked pop music. How many students surveyed like pop music? Keith spent 60% of his birthday money at the mall. If he spent $24 at the mall, how much money did Keith receive for his birthday?