Ratio and Proportions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of large brown eggs to medium brown eggs if there is 1 large brown and 3 medium brown eggs?

Back

1 to 3

Front

If 48 petits fours feed 20 people, how many petits fours are needed for 100 people?

Back

240 petits fours.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

If Keesha earns $94.50 in 8 hours, what is her hourly wage?

Back

Her hourly wage is $11.81.

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

Cross-multiply the terms and then solve for the unknown.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

Front

If Chef Raoul can beat an egg 150 times in 3 minutes, how many times can he beat it in 1 minute?

Back

50 times.