Rates, Ratios, and Proportions

5.) Find the unit rate: 3 CD's for $41.91

• $13.97 per CD
• $14.97 per CD
• $11.52 per CD
• $13.71 per CD

Are the ratios proportional?
10/12 and 20/32

• yes
• no

Melissa drives 238 miles in 5 hours. What is her average rate of speed?

• 40 MPH
• 46 MPH
• 48 MPH
• 50 MPH

A recipe calls for 2 eggs to make 10 pancakes. How many eggs will you need to make 40 pancakes?

• 4 eggs
• 8 eggs
• 12 eggs
• 16 eggs

If you pay $1.95 for 5 bananas, how much is one banana? Hint: What is the unit rate?

• $0.39

• $0.35

• $2.99

• $0.93

What is the ratio of shaded squares to not shaded squares?

• 10:5

• 10:6

• 6:10

• 10:18

10.) Write the ratio as a fraction in simplest form: 10 drums out of 75 instruments

• 3/5
• 4/5
• 1/4
• 2/15

9.) Find the unit rate: 5 soft drinks for $3.25

• $0.55 per drink
• $0.65 per drink
• $0.45 per drink
• $0.62 per drink

Each pack of paper has 125 sheets. Which teacher had the better buy?

• Ms. Perry bought 3 packs for $14.00

• Ms. Demarino bought 4 packs for $20.00

• Ms. Gombos bought 8 packs for $27.00

• Ms. Palermo bought 10 packs for $35.00

If there are 12 pencils per pack. How many packs would we need to buy for 108 pencils?

• 10 packs

• 4 packs

• 8 packs

• 9 packs