Rate and Unit Rate

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 single unit. For example, if you buy 3 pounds of granola for $3.75, the unit rate is the cost per pound.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units. For example, if you spent $3.75 for 3 pounds of granola, the unit rate is $3.75 ÷ 3 = $1.25 per pound.

Front

If a car travels 130 miles in 2 hours, what is the speed in miles per hour?

Back

The speed is 130 miles ÷ 2 hours = 65 miles per hour.

Front

What is the formula for finding the unit price?

Back

The formula for finding the unit price is: Unit Price = Total Price ÷ Number of Units.

Front

If you buy 15 pizzas for $97.50, what is the unit cost per pizza?

Back

The unit cost per pizza is $97.50 ÷ 15 = $6.50 per pizza.

Front

How do you find the total number of customers served in a given time?

Back

To find the total number of customers served, use the rate of customers served per minute and multiply it by the total time in minutes.

Front

If a cashier serves 2 customers in 8 minutes, how many customers can he serve in 30 minutes?

Back

The rate is 2 customers ÷ 8 minutes = 0.25 customers per minute. In 30 minutes, he can serve 0.25 × 30 = 7.5 customers.

Front

What is the unit rate of speed?

Back

The unit rate of speed is the distance traveled per unit of time, typically expressed in miles per hour (mph).

Front

If gas costs $46.80 for 13 gallons, what is the price per gallon?

Back

The price per gallon is $46.80 ÷ 13 = $3.60 per gallon.

Front

What does it mean to find a unit cost?

Back

Finding a unit cost means determining the cost of a single unit of a product, which helps in comparing prices.