Ratios and Proportions

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is the price per gallon if 4 gallons of gasoline cost $16.80?

Back

$4.20 per gallon.

Front

What is the ratio of total players to boys if a baseball team has 16 girls and 8 boys?

Back

24/8.

Front

Simplify the ratio 12:3.

Back

4:1.

Front

Do the ratios 2:4 and 1:2 form a proportion?

Back

Yes, they form a proportion.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If 3 apples cost $1.50, what is the cost of 1 apple?

Back

$0.50 per apple.

Front

What is the ratio of 10 to 5?

Back

2:1.

Front

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

Back

2:3.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms.