Percents

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

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 does it mean to find 'x% of y'?

Back

Finding 'x% of y' means calculating how much x percent of the number y is. It can be calculated using the formula: (x/100) * y.

Front

What is the formula to find the whole when given a percentage and a part?

Back

The formula is: Whole = Part / (Percentage / 100). For example, if 15 is 30% of a number, the whole is 15 / 0.30 = 50.

Front

If 75% of a number is 48, how do you find the number?

Back

You can find the number by using the formula: Number = Part / (Percentage / 100). Here, Number = 48 / 0.75 = 64.

Front

What is 50% of 15?

Back

50% of 15 is 7.5.

Front

If 120% of a number is 72, how do you find the number?

Back

Use the formula: Number = Part / (Percentage / 100). Here, Number = 72 / 1.20 = 60.

Front

What does it mean if a number is 'x% of y'?

Back

It means that the number is equal to x parts out of 100 parts of y. For example, if 20 is 40% of a number, then 20 is 40 out of 100 parts of that number.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then 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 to represent the same value. For example, 50% = 0.50 = 1/2.