Unit Rate/Complex Fractions

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 the unit rate?

Back

To calculate the unit rate, divide the total amount of one quantity by the total amount of the other quantity.

Front

If Will spent $3.75 for 3 pounds of granola, what is the unit rate in dollars per pound?

Back

$1.25 per pound.

Front

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does she mow per hour?

Back

1/2 acre per hour.

Front

If a snail can move 3/10 of a meter every 1/12 hour, what is the speed of the snail in meters per hour?

Back

3 3/5 meters per hour.

Front

Hannah reads 5/8 page in 2/3 minute. What is her reading speed in pages per minute?

Back

15/16 pages per minute.

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both contain fractions.

Front

How do you simplify a complex fraction?

Back

To simplify a complex fraction, multiply the numerator and the denominator by the least common denominator (LCD) of the fractions involved.

Front

What is the unit rate of adult movie tickets if 20 tickets cost $250?

Back

$12.50 per adult ticket.

Front

What is the unit rate of child movie tickets if 15 tickets cost $71.25?

Back

$4.75 per child ticket.