Unit 7 Unit Rates 2024

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you earn $20 for 4 hours of work, the unit rate is $5 per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 60 miles driven in 2 hours, the unit rate is 60 miles ÷ 2 hours = 30 miles per hour.

Front

If Piper earned $20.40 in 3 hours, what is her rate in dollars per hour?

Back

$6.80 per hour.

Front

How do you determine which product is a better buy?

Back

To determine which product is a better buy, calculate the unit price (cost per ounce or cost per item) for each product and compare them.

Front

Sandy is at the grocery store trying to decide between a 12 ounce can of corn for $1.92 and a 20 ounce can for $3.00. Which is the better buy?

Back

The 20 ounce can is the better buy.

Front

What is the average rate of pages read per minute if Mrs. Jones reads 75 pages in 25 minutes?

Back

3 pages per minute.

Front

How do you find the cost of one ticket if you know the total cost and number of tickets?

Back

Divide the total cost by the number of tickets. For example, if 20 tickets cost $250, then the cost per ticket is $250 ÷ 20 = $12.50.

Front

How much do 4 adult tickets cost if 20 tickets cost $250?

Back

$50.

Front

If Sammy falls 144 feet in 3 seconds, how far does he fall per second?

Back

48 feet per second.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity ÷ Number of Units.