Introduction to Unit Rates

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

What has to be true about a unit rate?

• It must be written as a fraction.

• It must be written as a decimal.

• It is always "per" one thing.

• It is used to measure area in square units.

If you have the ratio of $30 to 5 hours of work, what operation will you use to find a unit rate?

• Addition

• Subtraction

• Multiplication

• Division

What is a unit rate?

• A simplified rate.

• A simplified ratio.

• A simplified rate so that the denominator is one.

• A simplified rate so that the numerator is one.

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day

• 19 cars per day

• .05 cars per day

• 15 cars per day

Which rate is equivalent to 15 miles per hour?

• 30 miles in 3 hours

• 30 miles in 2 hours

• 30 miles in 5 hours

If Kevin is mixing 35 oz of yellow paint, he will need how many oz of red?

• 21 oz

• 24 oz

• 33 oz

• 18 oz

Which word best fits the definition: A comparison of a certain number of units of the first quantity to one unit of the second quantity.

• Unit rate

• Ratio

• Constant

• Proportional

A relationship between two variables where their ratios are equivalent is called a ___