Comparing 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 a value of one. It is often used to determine the cost per unit of a product.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price of the item by the number of units (e.g., weight, volume) it contains.

Front

What is the unit price of an item priced at $6.58 per lb?

Back

The unit price is $6.58 per lb.

Front

If an item costs $11.16 for 2 lbs, what is the unit price?

Back

The unit price is $11.16 / 2 lbs = $5.58 per lb.

Front

How do you compare unit prices to determine the better deal?

Back

To compare unit prices, calculate the unit price for each option and choose the one with the lower unit price.

Front

What is the unit price of Daisy sour cream priced at $1.49 for 8 oz?

Back

The unit price is $1.49 / 8 oz = $0.18625 per oz.

Front

What is the unit price of Kraft sour cream priced at $2.55 for 16 oz?

Back

The unit price is $2.55 / 16 oz = $0.159375 per oz.

Front

Who walks faster: someone who walks 60 feet in 10 seconds or someone who walks 25 feet in 5 seconds?

Back

The person who walks 60 feet in 10 seconds walks at a rate of 6 feet per second, while the other walks at 5 feet per second.

Front

How do you calculate the rate of speed in feet per second?

Back

To calculate speed in feet per second, divide the distance in feet by the time in seconds.

Front

What is the cost per minute for AT&T charging $76.00 for 500 minutes?

Back

The cost per minute is $76.00 / 500 minutes = $0.152 per minute.