Unit Rates/Complex Fractions

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 a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 120 customers in 8 hours, divide 120 by 8 to find the unit rate of 15 customers per hour.

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both are also fractions. For example, (1/2)/(3/4) is a complex fraction.

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, then simplify.

Front

What is the unit price?

Back

The unit price is the cost per single unit of a product, which helps compare prices of different quantities.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units. For example, if a pack of 10 slices costs $2.48, the unit price is $2.48 ÷ 10 = $0.248 per slice.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

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

Back

$1.25 per pound.

Front

What is the formula for calculating unit rates?

Back

Unit Rate = Total Quantity / Total Time or Total Cost.

Front

How do you compare unit prices to find the better deal?

Back

Calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.