Unit Rates with Complex Fractions

Front

What is a unit rate?

Back

A rate expressed as something per one.

Front

Joe can run 3 2/5 miles in 7/8 of an hour. What is his speed in miles per hour?

Back

3 31/35 mph

Front

A truck driver drove 120 miles in 1 3/4 hours. What is the speed of the truck in miles per hour?

Back

68 4/7 mph

Front

Simplify the complex fraction: 9/(8/5)

Back

9/40

Front

Elijah earns $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

Back

$25 per hour

Front

How do you convert a complex fraction to a simple fraction?

Back

Multiply the numerator by the reciprocal of the denominator.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

If a car travels 150 miles in 3 hours, what is its speed?

Back

50 mph

Front

What is the first step in solving a problem involving unit rates?

Back

Identify the quantities being compared.

Front

How do you express a rate as a unit rate?

Back

Divide the numerator by the denominator.