Percent Proportion

Front

What is percent proportion?

Back

Percent proportion is a way to express a number as a fraction of 100. It is often used to compare quantities and understand relationships between parts and wholes.

Front

How do you find what number a percentage is of?

Back

To find what number a percentage is of, divide the part by the percentage (in decimal form) and multiply by 100. For example, if 14 is 20% of a number, the equation is: Number = 14 / 0.20.

Front

What is the formula to calculate the percentage of a number?

Back

The formula to calculate the percentage of a number is: Percentage = (Part / Whole) x 100.

Front

If a pitcher won 80% of 35 games, how do you calculate the number of games won?

Back

To calculate the number of games won, multiply the total games by the winning percentage: Wins = 35 x 0.80 = 28.

Front

What does it mean if 40% of students take the bus?

Back

It means that out of the total number of students, 40% are using the bus as their mode of transportation.

Front

How do you calculate 40% of a number?

Back

To calculate 40% of a number, multiply the number by 0.40. For example, 40% of 230 is 230 x 0.40 = 92.

Front

What is the relationship between part, whole, and percentage?

Back

The relationship is defined by the formula: Part = (Percentage / 100) x Whole.

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 multiply by 100. For example, 1/5 = 0.20 x 100 = 20%.

Front

What is the process to find what percent one number is of another?

Back

To find what percent one number is of another, divide the part by the whole and multiply by 100. For example, to find what percent 78 is of 450: (78 / 450) x 100 = about 17%.

Front

If 30 students do not take the bus, how many students are in the class?

Back

If 40% take the bus, then 60% do not. If 30 students do not take the bus, then the total number of students is 30 / 0.60 = 50.