Ratios, Rates, and Unit Conversions Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two fractions and set the products equal to each other.

Front

What is a rate?

Back

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

Front

What is a unit conversion?

Back

A unit conversion is the process of converting a quantity from one unit to another, such as inches to centimeters.

Front

Back

12.5

Front

Back

320

Front

If a post office can mail 92 packages in 2 hours, how many packages can it mail in 7 hours?

Back

322 packages

Front

While training for a half marathon, Mary ran 8 miles every 5 days. How many days did it take for Mary to run a total of 112 miles?

Back

70 days

Front

A bottle contains 72 fluid ounces of soda. How many pints of soda does the bottle contain?

Back

4.5 pints

Front

What is the formula for finding a unit rate?

Back

To find a unit rate, divide the first quantity by the second quantity to find the amount per one unit.