Proportions Unit Review

• 8
• 9
• 72
• 12

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

Betty earns 8% commission on her total sales. Her sales totaled $900 last week. How much did Betty earn in commission?

• $72.00

• $828.00

• $972.00

• $8.00

Madeline ran 21.7 miles in 7 hours. What is the unit rate? 

• 21.7 miles per hour
• 3.1 miles per hour
• .32 miles per hour
• 21.7
  7

James Madison University has a ratio of 4 boys to 6 girls. If there are 18,000 total students, how many boys attend James Madison University? 

• 12,000
• 27,000
• 7,200
• 45,000

The ratio of history books to fiction books is 3 to 5. If there are 12 history books, how many fiction books are there?

• 7

• 20

• 12

• 18

• 24

A market sells 7 candy bars for $4.20. How much do 8 candy bars cost?

• $4.80
• $0.60
• $33.60
• $12.60

Which of the following ratios are NOT equivalent to 20:24?

• 10:12
• 5:6
• 15:18
• 16:20

Write and solve a proportion for this scenario.

If Shane can bake 120 dozen cookies in five days, how many days would it take to bake 800 dozen cookies?

• about 34 days

• about 30 days

• about 12 days

• about 7 days

Austin got 72% of the questions correct on his last math quiz. If there were 25 total questions, how many did he answer correctly?

• 4

• 72

• 18

• 12