Ratios and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

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 unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

If a car travels 120 miles in 2 hours, what is its speed in miles per hour?

Back

60 miles per hour.

Front

What is the ratio of 8 apples to 4 oranges?

Back

2:1.

Front

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

Back

Divide the total cost by the number of units to find the cost per unit.

Front

If a recipe calls for 3 cups of flour for every 2 cups of sugar, what is the ratio of flour to sugar?

Back

3:2.

Front

What is the unit rate if you buy 10 pounds of apples for $20?

Back

$2 per pound.

Front

If a car can travel 300 miles on 10 gallons of gas, what is the car's miles per gallon?

Back

30 miles per gallon.

Front

What is the ratio of 15 to 5?

Back

3:1.