Percent Proportion Word Problems

Front

What is a percent proportion?

Back

A percent proportion is a mathematical equation that shows the relationship between a part, a whole, and a percentage. It is often expressed as part/whole = percent/100.

Front

How do you calculate the percentage of a part in relation to a whole?

Back

To calculate the percentage of a part in relation to a whole, use the formula: (part/whole) x 100 = percentage.

Front

If 30% of employees in a company work part-time, how do you find the number of part-time employees?

Back

Multiply the total number of employees by 0.30 (30%). For example, if there are 90 employees, then 90 x 0.30 = 27 part-time employees.

Front

What is the formula to find the number of items based on a percentage?

Back

The formula is: Number of items = (Percentage/100) x Total number of items.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100.

Front

What is the percentage of wins if a team won 24 out of 30 games?

Back

To find the percentage of wins, use the formula: (24/30) x 100 = 80%.

Front

How do you find the total number of items if you know the part and the percentage?

Back

Use the formula: Total number of items = Part / (Percentage/100). For example, if there are 22 red jellybeans and they represent 40%, then Total = 22 / (40/100) = 55 jellybeans.

Front

What is the relationship between part, whole, and percent in a percent proportion?

Back

In a percent proportion, the part is the portion of the whole, and the percent is the ratio of the part to the whole expressed as a percentage.

Front

If 12 out of 30 cars finished a race, how do you calculate the percentage of cars that finished?

Back

Use the formula: (12/30) x 100 = 40%.

Front

What does it mean if a pitcher won 80% of the games he pitched?

Back

It means that out of all the games he pitched, 80% were wins. If he pitched 10 games, he won 8 games.