Rates and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, typically expressed as a quantity per unit of another quantity.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, allowing for easy comparison of different rates.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the numerator by the denominator to find the amount per one unit of the denominator.

Front

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

Back

65 miles per hour.

Front

How do you determine the better buy between two products?

Back

Calculate the unit price for each product and compare them; the lower unit price indicates the better buy.

Front

What is the unit cost of an item?

Back

The unit cost is the total cost divided by the number of items purchased.

Front

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

Back

$6.50 per pizza.

Front

How many customers can a cashier serve in a given time if they serve 2 customers in 8 minutes?

Back

To find the number of customers served in 30 minutes, set up a proportion based on the rate.

Front

What is the formula to find the total number of customers served based on time?

Back

Total customers = (Number of customers served / Time taken) * Total time.

Front

If a 12-pack of soda costs $3.50, what is the unit price per can?

Back

$0.29 per can (3.50 / 12).