Ratio Rates and Unit Rate Review

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento

• Velveeta

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Goldfish crackers $1.99 for 7.2 oz. 
or
Cheez-its $2.70 for 13.7 oz.
Find the unit price of each and choose the better deal.

• Goldfish

• Cheez-its

In a room, there are 8 boys and 12 girls. What is the ratio of girls to boys?

• 8:20

• 12 to 20

• 3 to 2

• 4/6

What is a Ratio?

• Is a comparison of two quantities

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one

• Two decimals that can be multiplied

Find each unit rate. Round your answer to the nearest hundredth:​ (a)  

11 chickens lay 77 eggs _________eggs per chicken

• 7

• 22

• 30

• 10

It cost Ellie $44.38 for 14 gallons of gas. What was the cost per gallon of gas? Be sure to include a $ in your answer.

When a rate is expressed as a unit of one...

• unit rate

• scale factor

• proportion

• decimal

irections: Find each unit rate. Round your answer to the nearest hundredth:​ (a)  

7 penguins for $126.00 ________ each

• $18

• $24

• $4

• $10

A train travels 650 yards in 15 seconds. If the train travels at a constant rate, how many yards will the train travel per minute?

• 2,600 yards

• 9,750 yards

• 2,500 yards