Grade 6 | Unit 2 | Lesson 15: Part-Part-Whole Ratios | Practice Problems

Here is a tape diagram representing the ratio of red paint to yellow paint in a mixture of orange paint. What is the ratio of yellow paint to red paint?

• 2:3

• Alternative ratios based on mixtures.

How many total cups of orange paint will this mixture yield?

• 15 cups

• Other amounts based on mixtures.

• 3

• Other values based on total animals.

How many dogs are at the kennel?

• 15 dogs

• Other counts of dogs based on calculated values.

How many cats are at the kennel?

• 12 cats

• Other counts of cats based on calculated values.

Last month, there were 4 sunny days for every rainy day. If there were 30 days in the month, how many days were rainy? Explain your reasoning. If you get stuck, consider using a tape diagram.

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Noah entered a 100-mile bike race. He knows he can ride 32 miles in 160 minutes. At this rate, how long will it take him to finish the race? Use each table to find the answer. Next, explain which table you think works better in finding the answer.

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A cashier worked an 8-hour day, and earned $58.00. The double number line shows the amount she earned for working different numbers of hours. How much does the cashier earn per hour?

• $7.25

• Other hourly wages based on calculation.

How much does the cashier earn if she works 3 hours?

• $21.75

• Other amounts earned based on calculation.

A grocery store sells bags of oranges in two different sizes. The 3-pound bags of oranges cost $4. The 8-pound bags of oranges for $9. Which oranges cost less per pound? Explain or show your reasoning.

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