11/15 - Chp 1.1 - Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

If a person earns $300 for 10 hours of work, what is the unit rate in dollars per hour?

Back

$300 ÷ 10 hours = $30 per hour.

Front

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

Back

150 miles ÷ 3 hours = 50 miles per hour.

Front

If a store sells 24 bottles of water for $12, what is the unit rate in dollars per bottle?

Back

$12 ÷ 24 bottles = $0.50 per bottle.

Front

How do you find the unit rate from a word problem?

Back

Identify the two quantities being compared, then divide the first quantity by the second quantity to find the unit rate.

Front

What is the unit rate if a recipe requires 4 cups of flour for 8 servings?

Back

4 cups ÷ 8 servings = 0.5 cups per serving.

Front

If a person runs 10 miles in 2 hours, what is the unit rate in miles per hour?

Back

10 miles ÷ 2 hours = 5 miles per hour.

Front

What is the unit rate if a store has 60 customers in 4 hours?

Back

60 customers ÷ 4 hours = 15 customers per hour.

Front

If a person buys 5 notebooks for $10, what is the unit rate in dollars per notebook?

Back

$10 ÷ 5 notebooks = $2 per notebook.