Ratios, Rates and Proportions Practice 10/31

1. In a basket filled with tiles, the ratio of red tiles to green tiles is 7:3. Katrina wants to make the same tile mix with 161 red tiles. How many green tiles should Katrina use?

• 69

• 70

• 71

• 72

2. In a parking lot, there are 40 cars to 25 trucks. Write the ratio of cars to trucks as a fraction in simplest form.

• 8/5

• 40/25

• 5/8

• 25/40

3. The table shows the results of a survey about student’s favorite color. Express the ratio in simplest form that compares the number of students that chose blue to the total number of students.

• 11:55

• 22:110

• 2:10

• 1:5

4. On his vegetable stand, Mr. Louis has 12 cucumbers, 17 tomatoes, 31 bell peppers, and 12 carrots. What is the ratio of the number of cucumbers to the total number of vegetables? Write in simplest form.

• 1:6

• 1:5

• 1:4

• 1:3

Express 85.5 meters in 45 seconds as a unit rate.

• 1.9 meters per second

• 2.1 meters per second

• 1.5 meters per second

• 1.7 meters per second

Express 243 students to 9 classrooms as a unit rate.

• 27 students per classroom

• 30 students per classroom

• 24 students per classroom

• 21 students per classroom

7. Express 30 baskets made in 5 minutes as a unit rate.

• 6 baskets per minute

• 5 baskets per minute

• 7 baskets per minute

• 10 baskets per minute

8. Sophia uses 3 cups of peanut butter to make 51 peanut butter cookies. At this rate, how many cups of peanut butter does she need to make 153 peanut butter cookies?

• 6 cups

• 9 cups

• 12 cups

• 15 cups

Ms. Robbins traveled to 46 states in 184 days. At this rate, how many states would she travel to in 92 days?

• 23

• 24

• 22

• 21

10. Grace can read 1755 words in 10 minutes. Ava can read 1330 words in 7 minutes. Use unit rates to determine if each pair of rates is equivalent. Which of the following is correct?

• Grace and Ava have equivalent reading rates.

• Grace reads faster than Ava.

• Ava reads faster than Grace.

• Neither Grace nor Ava's rates can be compared.