Unit 3 Review - Rates, Ratios, Percents

Front

What is a unit cost?

Back

A unit cost is the cost incurred to produce, store, or purchase one unit of a product or service.

Front

How do you calculate the unit cost from total cost and quantity?

Back

Unit cost = Total cost / Quantity.

Front

If 12 tickets cost $72, what is the unit cost per ticket?

Back

$6 per ticket.

Front

What is the formula to calculate hourly wage?

Back

Hourly wage = Total earnings / Total hours worked.

Front

If Vanessa earned $76 for 8 hours, what is her hourly wage?

Back

$9.50 per hour.

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you simplify a ratio?

Back

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

Front

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between numbers, even if the numbers themselves are different.

Front

If Kendra uses 63 cups of flour for 21 dozens of muffins, what is the ratio of flour to muffins?

Back

The ratio of flour to muffins is 63:21.

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100.