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, such as miles per hour or dollars per pound.

Front

How do you calculate the unit rate from a total quantity and a total time?

Back

To calculate the unit rate, divide the total quantity by the total time. For example, if a store sees 120 customers in 8 hours, the unit rate is 120 customers ÷ 8 hours = 15 customers per hour.

Front

What is the unit rate of $40 for 5 pounds of concrete?

Back

The unit rate is $40 ÷ 5 pounds = $8 per pound.

Front

How do you find the price per gallon if you paid $15 for 6 gallons of gasoline?

Back

To find the price per gallon, divide the total cost by the number of gallons: $15 ÷ 6 gallons = $2.50 per gallon.

Front

If Justin types 408 words in 4 minutes, how do you find his typing speed in words per minute?

Back

To find the typing speed, divide the total words by the total minutes: 408 words ÷ 4 minutes = 102 words per minute.

Front

What is the formula to find the unit rate?

Back

The formula to find the unit rate is: Unit Rate = Total Quantity ÷ Total Units.

Front

How can you express a unit rate in different contexts?

Back

Unit rates can be expressed in various contexts such as speed (miles per hour), cost (dollars per item), or frequency (events per time period).

Front

What is the unit rate if a person runs 10 miles in 2 hours?

Back

The unit rate is 10 miles ÷ 2 hours = 5 miles per hour.

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 second part to express it as 'per one unit' of the second quantity.

Front

If a car travels 300 miles in 5 gallons of gas, what is the unit rate in miles per gallon?

Back

The unit rate is 300 miles ÷ 5 gallons = 60 miles per gallon.