Percentages

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 calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What is the formula to find the total cost with sales tax?

Back

Total Cost = Price + (Price * Sales Tax Rate).

Front

Convert 0.75 to a percentage.

Back

0.75 as a percentage is 75%.

Front

What is 10% of 200?

Back

10% of 200 is 20.

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, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages, fractions, and decimals are different ways of expressing the same value. For example, 50% = 0.5 = 1/2.

Front

What is 25% of 80?

Back

25% of 80 is 20.

Front

How do you find the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is 15% of 60?

Back

15% of 60 is 9.