7.2 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, like dollars per shirt.

Front

How do you find the unit rate from a ratio table?

Back

To find the unit rate from a ratio table, divide the total amount of the second quantity by the total amount of the first quantity.

Front

If 3 t-shirts cost $9, what is the unit rate?

Back

$3/shirt

Front

A bag of chips costs $2.50 for 10 ounces. What is the unit rate per ounce?

Back

$0.25/ounce

Front

If a box of 24 eggs costs $4.80, what is the unit rate per egg?

Back

$0.20/egg

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

If 5 pounds of apples cost $10, what is the cost per pound?

Back

$2/pound

Front

How do you convert a ratio to a unit rate?

Back

To convert a ratio to a unit rate, divide both parts of the ratio by the quantity of the first part.

Front

If 15 miles are driven in 3 hours, what is the unit rate in miles per hour?

Back

5 miles/hour

Front

What is the unit rate of 50 pages read in 2 hours?

Back

25 pages/hour