Frost Unit 5 Review Proportions 2024

Front

What is a proportion?

Back

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

Front

How do you find a missing value in a proportion?

Back

Cross-multiply the known values and then solve for the unknown.

Front

What is the formula to calculate a percentage?

Back

Percentage = (Part/Whole) x 100.

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is 8.25% of 1?

Back

0.0825.

Front

What is 42% of 65?

Back

27.3.

Front

Estimate 45% of 60.

Back

27.

Front

If 33 out of 60 people prefer Michael Jordan, how many would prefer him out of 300?

Back

165 people.

Front

What is the first step in solving a proportion problem?

Back

Identify the known ratios and set up the proportion.

Front

What does it mean to 'cross-multiply'?

Back

To multiply the numerator of one ratio by the denominator of the other ratio.