Rates, Ratios and Percents

Ronald uses 2 cups of sugar to make 12 brownies. Last week, Ronald made 84 brownies. How many cups of sugar did he use last week?

• 3.5

• 6

• 7

• 14

A stereo, originally priced at $360, is on sale for $200. What is the percent of change?

• 40%

• 56%

• 80%

• 44%

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

• 20 customers per hour

At Emily's summer camp, there were 80 girls and 12 counselors. At this rate, how many counselors should they have for 100 girls?

• 10

• 14

• 15

• 16

A fish makes 480 dives in 10 hours. At this rate, how many dives did the fish do in 4 hours?

• 48

• 194

• 190

• 192

What is the missing value in the proportion

• 13

• 3

• 8

• 10

Which is 40% as a decimal?

• 0.40

• 0.04

• 0.004

• 40

What is the ratio of butterflies to caterpillars?

• 2:3

• 3:2

• 3:5

• 2:5

Sarah earns $20 a day working after school. She spent 30% of her daily earnings on Monday. How much money did she spend on Monday?

• $1.40

• $6

• $0.60

• $14

 Shirley spelled 12 of her 15 spelling words correctly on the test.  What percent grade did Shirley get on the test?

• 40%

• 50%

• 80%

• 60%