Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares quantities with different units, showing how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the quantity of one item by the quantity of another item, ensuring the second quantity is 1.

Front

If a 16 oz drink costs $4.99, what is the price per ounce?

Back

$0.31 per ounce.

Front

What is the unit cost of an item?

Back

The unit cost is the total cost divided by the number of items, giving the cost per single item.

Front

If 120 customers visit a store in 6 hours, how many customers visit per hour?

Back

20 customers per hour.

Front

What is the best price per ounce for drinks: 8 oz for $2.79, 10 oz for $3.49, 16 oz for $4.99, or 20 oz for $5.99?

Back

20 oz for $5.99 is the best price per ounce.

Front

If Sam used 1/5 of an ounce of butter for 1/15 of a pound of jelly, how much butter is needed for a pound?

Back

3 ounces of butter.

Front

What is the unit rate of speed if a car travels 150 miles in 3 hours?

Back

50 miles per hour.

Front

If a pizza costs $97.50 for 15 pizzas, what is the cost per pizza?

Back

$6.50 per pizza.

Front

What does it mean if a rate is a ratio?

Back

It means that the rate compares two quantities, showing the relationship between them.