Ratios, Rates and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressing how much of one quantity exists in relation to another.

Front

How do you calculate a unit rate?

Back

A unit rate is calculated by dividing the quantity of one item by the quantity of another item, typically expressed as 'per one'.

Front

What is the unit rate of 35 diapers costing $6.99?

Back

$0.20 per diaper.

Front

If Lynnette washes 95 cars in 5 days, how many cars does she wash per day?

Back

19 cars per day.

Front

What is the unit rate of $3.75 for 3 pounds of granola?

Back

$1.25 per pound.

Front

How do you find the unit rate of a cost per pound?

Back

Divide the total cost by the total weight in pounds.

Front

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

Back

$8 per pound.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as miles per hour or cost per item.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor.

Front

What is the ratio of squares to circles if there are 12 squares and 6 circles?

Back

The ratio is 2:1.