Percentages Problems

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

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 formula for finding the percentage of a number?

Back

The formula is: Percentage = (Part/Whole) × 100.

Front

If 25% of a number is 20, what is the number?

Back

The number is 80, because 20 is 25% of 80.

Front

How do you find 30% of a number?

Back

To find 30% of a number, multiply the number by 0.30.

Front

What is the percentage increase if a price goes from $50 to $65?

Back

The percentage increase is 30%, calculated as ((65-50)/50) × 100.

Front

If a student scored 18 out of 20 on a test, what is their score as a percentage?

Back

The score is 90%, calculated as (18/20) × 100.

Front

What does it mean if a team won 40% of their games?

Back

It means that 40 out of every 100 games they played were wins.

Front

How do you calculate the percentage of a total?

Back

To calculate the percentage of a total, divide the part by the total and multiply by 100.

Front

What is the percent proportion?

Back

The percent proportion is a way to set up a proportion to find a percentage: part/whole = percent/100.