Unit 4 Test Review 23-24

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Jane is buying coffee. Coffee Shop A sells 30 ounces for $9.95, and Coffee Shop B sells 12 ounces for $3.50. Which coffee shop is cheaper per ounce?

• A, because they are selling more coffee in total.

• A, because their unit price is $0.29 per ounce, whereas B's is $0.33 per ounce.

• B, because their unit price is $0.29 per ounce, and A's is $0.33 per ounce.

Find THREE equivalent ratios for 4/5. Select all that apply.

• 5:4

• 12:15

• 5 to 4

• 40 to 50

Find the missing value.

• 2

• 4

• 6

• 12

Find the missing values in the ratio table. 

• 35, 12

• 14, 100

• 15, 30

• cannot be determined

Juliet used a 3 to 1 ratio of white to black paint in order to make a shade of gray. Which of the following ratios would give her the same shade of gray? Pick two.

• 5 to 4

• 5 to 15

• 12 :4

• 7 to 6

Match the following ratios:

• 9:21

• 7:4

• 24:9

• 3:7

• 21:12

• 2:6

• 20:16

• 5:4

• 24:72

• 8:3

Write a percent to represent the shaded portion of the model.

• 16%
• 42%
• 64%
• 80%

Valerie answered 28 problems on her test correctly. If Valerie correctly answered 80% of the problems on the test, then how many problems were on the test?

• 22 problems

• 25 problems

• 35 problems

• 36 problems