Rates and Proportions [Duplicate]

Peter deposited $250 into a savings account that earns 8% simple interest. After 5 years, how much money is in Peter's account?

• $250
• $270
• $100
• $350

Nicole bought a meal for $12 in a town that has no sales tax. She tips 20%. What is her total?

• $14
• $12.20
• $14.40
• $16

Mason ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

• 3 miles per hour
• 9 miles per hour
• 20 miles per hour
• 6.67 miles per hour

Ross walked 7 miles in 2 hours. What is his unit rate of miles per hour?

• 3.5 miles per hour
• 7/2 miles per hour
• 7.2 miles per hour
• 3 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

For a graph to illustrate a constant rate of change is must include all of the following EXCEPT:

• Start at the origin
• Be a straight line
• Be a diagonal line
• Be a straight horizontal line

A recipe used 1 and 1/3 cup of sugar for every 4 teaspoons of cinnamon. How much sugar was used per teaspoon of cinnamon? 

• 2/3
• 4
• 1/3
• 4/3

If a person walks 1/2 mile in each 1/4 hour, compute the unit rate of miles per hour?

• 1/2 mile
• 1 mile
• 2 miles
• 4 miles

A recipe calls for 3/4 cup of brown sugar for every 3 eggs. What is the unit rate of eggs per cup? 

• 1 cup/4 eggs
• 1 cup/3 eggs
• 3 eggs/1 cup
• 4 eggs/1 cup

A recipe calls for 2/3 cup of sugar for every 6 cups of flour. How much flour should be used for every 1 cup of sugar?

• 3 cups
• 6 cups
• 9 cups
• 12 cups

If the sales tax is 7%, how would you write this as a decimal?

• 0.7
• 0.07
• 70
• 1.7