rates conversions

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a quantity per unit of time, such as miles per hour or pages per minute.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you can type 408 words in 4 minutes, the unit rate is 408 ÷ 4 = 102 words per minute.

Front

What is the formula to convert inches to centimeters?

Back

To convert inches to centimeters, multiply the number of inches by 2.54 (1 inch = 2.54 cm).

Front

If a printer prints 24 pages in 15 minutes, what is the rate of pages per minute?

Back

The rate is 24 pages ÷ 15 minutes = 1.6 pages per minute.

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 find the ratio of games won to games lost?

Back

To find the ratio of games won to games lost, divide the number of games won by the number of games lost. For example, if a team won 5 games and lost 9, the ratio is 5:9.

Front

What is the conversion factor from gallons to cups?

Back

1 gallon = 16 cups.

Front

How do you convert gallons to cups?

Back

To convert gallons to cups, multiply the number of gallons by 16. For example, 3.5 gallons x 16 = 56 cups.

Front

What is the unit rate of a speed?

Back

The unit rate of speed is the distance traveled per unit of time, such as miles per hour.

Front

If you know 16 cups = 1 gallon, how many cups are in 3.5 gallons?

Back

3.5 gallons x 16 cups/gallon = 56 cups.