Unit Rates

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, like miles per gallon or price per item.

Front

How do you calculate miles per gallon (mpg)?

Back

To calculate miles per gallon, divide the total miles driven by the total gallons of gas used.

Front

If a car travels 231 miles using 7 gallons of gas, what is the mileage?

Back

33 miles per gallon.

Front

What is the formula to find the price per item?

Back

Price per item = Total price ÷ Number of items.

Front

If 8 Pepsi products cost $14.00, what is the price per product?

Back

$1.75 per product.

Front

What does it mean to work at a faster rate?

Back

Working at a faster rate means completing more tasks in the same amount of time compared to another rate.

Front

If a teacher grades 25 assignments in 20 minutes, how many assignments does he grade in 30 minutes?

Back

He grades 37.5 assignments in 30 minutes, which is a slower rate than grading 36 assignments in 30 minutes.

Front

How do you calculate the price per gallon of gas?

Back

Price per gallon = Total cost ÷ Total gallons.

Front

If it costs $46.80 to fill a 13-gallon gas tank, what is the price of gas per gallon?

Back

$3.60 per gallon.

Front

What is the definition of speed in terms of distance and time?

Back

Speed is the distance traveled divided by the time taken, often expressed in miles per hour (mph).