Ratios and Rates Quiz

The middle school chorus has 6 altos, 8 sopranos, 6 tenors, and 4 bass singers. What is the ratio of sopranos to the entire chorus?

• 24/8, 24:8, or 24 to 8

• 6/24, 6:24, or 6 to 24

• 24/6, 24:6, or 24 to 6

• 8/24, 8:24, or 8 to 24

Last week, Leah worked 25 hours on weekdays and 11 hours on the weekend. Which ratio compares the number of hours Leah worked on weekdays to the total number of hours she worked?

• 25:11

• 11:25

• 25:36

• 36:25

A varsity boys’ basketball team has a ratio of seniors to juniors that is 7:4. If the team is made up only of juniors and seniors, what is the ratio of seniors to total team members?

• 7/4

• 7/11

• 4/7

• 4/11

The same number completes both cells in the ratio table. What is that number?

• 6

• 8

• 12

Ben can buy a package of 3 T-shirts for $14.25. What is the unit price, per T-shirt, in the package?

• $3.75

• $4.25

• $4.50

• $4.75

Alex can type 110 words in 2 minutes. What is Alex's typing rate?

• 108 words in 2 minutes

• 2 minutes for 112 words

• 110 words in 2 minutes

• 1 minute for 110 words

Alex can type 110 words in 2 minutes. What is the unit rate of Alex's typing in words per minute?

• 55

• 44

• 60

• 50

The table shows the party affiliation of the senators of the 109th Congress. The ratio of Republicans to Democrats is 5:4. What is the missing number in the table?

• 11

• 22

• 44

• 99

How many tables are needed to seat 65 people if 3 tables seat 13 people?

• 12

• 15

• 18

• 20

How many days until the plant grows 16 centimeters?

• 4

• 7

• 28

• 42