Ratios, Rates, & Unit Rate

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 simplify a ratio?

Back

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

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 dollars per gallon.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. For example, if you travel 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

Calculate the unit rate: 120 customers in 8 hours.

Back

15 customers per hour.

Front

What is the simplified form of the ratio 34:26?

Back

The simplified form is 17:13.

Front

If I paid $15 for 6 gallons of gasoline, what is the price per gallon?

Back

$2.50 per gallon.

Front

What is the simplified form of the ratio 20:25?

Back

The simplified form is 4:5.

Front

How do you find the unit rate from a total amount?

Back

Divide the total amount by the number of units. For example, if you have 120 items over 8 hours, divide 120 by 8.

Front

What does it mean to compare ratios?

Back

Comparing ratios involves determining which ratio is greater, smaller, or if they are equivalent.