Unit Rate

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you have 50 miles driven in 2 hours, the unit rate is 50 miles ÷ 2 hours = 25 miles per hour.

Front

What is the unit rate of 25 trucks unloaded in 5 hours?

Back

5 trucks per hour.

Front

If Brad drives 527 miles on 17 gallons, what is the unit rate in miles per gallon?

Back

31 miles per gallon (mpg).

Front

How do you find the unit rate for a train traveling 1,230 miles in 5 hours?

Back

Divide the total distance by the total time: 1,230 miles ÷ 5 hours = 246 miles per hour (mph).

Front

What is the hourly rate if Peter paid $79.80 for 6 hours of bike rental?

Back

$13.30 per hour.

Front

How do you compare two different unit rates to determine the better deal?

Back

Calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Front

What is the unit rate for 12 gallons of gas costing $33?

Back

The unit rate is $33 ÷ 12 gallons = $2.75 per gallon.

Front

What is the unit rate for 5 gallons of gas costing $14?

Back

The unit rate is $14 ÷ 5 gallons = $2.80 per gallon.

Front

Which is the better deal: 12 gallons for $33 or 5 gallons for $14?

Back

12 gallons for $33 is the better deal because it has a lower unit rate of $2.75 per gallon compared to $2.80 per gallon.