Ratios Unit Rate Better Buy Review

Option A has one bag of pretzels costs three dollars. Option B has five bags of pretzels cost $10. Which option has the better buy?

• $3.00 per 1 bag

• $10.00 per 5 bags

When doing rates, the fraction bar is represented as a word. What word does it mean?

• and

• per

• this

• or

Which option is the better buy?

• 6 packpacks for $55

• 12 backpacks for $110

• They are the same deal.

• Neither are better.

The ratio of red paint to yellow paint in a mixture is shown in the double number line above. How many teaspoons of yellow paint are in 4 batches?

• 20

• 4

• 12

• 15

The ratio of girls to boys is 3:8. If there are 48 boys, how many girls are there? Use the tape diagram to help you solve.

• 6

• 24

• 18

• 72

A farm has 14 cows and 10 horses. Write the ratio of cows to total animals as a ratio in lowest terms.

• 14 to 10

• 10 to 14

• 14 to 24

• 7 to 12

12 ounce shampoo bottle lasts Mike 16 weeks.  
How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks

• 6 weeks

• 30 weeks

• 20 weeks

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4

• 30

• 70

• 40

Holly needs to buy some cloth. The following deals are available at various stores. Choose the best deal.
$16.52 per 6 yd
$13.85 per 5 yd

• $16.52 for 6 yd

• $13.85 for 5 yd

• Neither

Bryce pays $14 for 8 pounds of strawberries. What does he pay per pound?

• $14 for 8 pounds

• $1.75 per pound

• $0.57 per pound

• $1.70 per pound