Chapter 5 "Test"

Front

What is the formula to calculate hourly earnings?

Back

Hourly Earnings = Total Earnings / Total Hours Worked.

Front

If Danielle earns $36.80 for 4 hours of work, how much does she earn per hour?

Back

$9.20 per hour.

Front

If MacKenzie earns $50.40 for 6 hours of work, how much does she earn per hour?

Back

$8.40 per hour.

Front

How do you find the difference in hourly earnings between two people?

Back

Subtract the lower hourly rate from the higher hourly rate.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative sizes of two or more values.

Front

What is the ratio of quarters to dimes if there are 8 quarters and 10 dimes?

Back

4:5.

Front

How do you simplify a ratio?

Back

Divide both terms of the ratio by their greatest common divisor.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you calculate the unit rate of miles per gallon?

Back

Unit Rate = Total Miles / Total Gallons.

Front

If a car travels 289 miles on 10 gallons of gas, what is the unit rate in miles per gallon?

Back

28.9 miles per gallon.