Unit Rates

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 one unit. For example, if you buy 3 movie tickets for $29.25, the unit rate is the price per ticket.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total cost by the number of items. For example, if 3 movie tickets cost $29.25, the unit price is $29.25 ÷ 3 = $9.75.

Front

If Peter paid $79.80 for renting a bike for 6 hours, what is the rate per hour?

Back

The rate per hour is calculated by dividing the total cost by the number of hours: $79.80 ÷ 6 = $13.30.

Front

How do you determine which deal is better?

Back

To determine which deal is better, calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

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

Back

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

Front

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

Back

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

Front

Which is a better deal: 12 gallons of gas for $33 or 5 gallons for $14?

Back

12 gallons of gas for $33 is the better deal because it has a lower unit price of $2.75 per gallon.

Front

If 6 bagels cost $7.50, what is the cost of 1 bagel?

Back

The cost of 1 bagel is $7.50 ÷ 6 = $1.25.

Front

How much would 13 bagels cost if 6 bagels cost $7.50?

Back

If 1 bagel costs $1.25, then 13 bagels would cost 13 × $1.25 = $16.25.

Front

What is the unit price of 8 packs of paper for $6.40?

Back

The unit price is $6.40 ÷ 8 = $0.80 per pack.