Finding percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10. For example, 10% of 50 is 50 ÷ 10 = 5.

Front

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

Back

The formula is: (Percentage / 100) × Total Number. For example, to find 20% of 50: (20 / 100) × 50 = 10.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100. For example, 1/5 = (1 ÷ 5) × 100 = 20%.

Front

What is 25% of 80?

Back

25% of 80 is 20. (25 / 100) × 80 = 20.

Front

How do you find what number a percentage represents?

Back

To find what number a percentage represents, divide the part by the percentage (in decimal form). For example, if 10% of a number is 8, then the number is 8 ÷ 0.10 = 80.

Front

What is 30% of 50?

Back

30% of 50 is 15. (30 / 100) × 50 = 15.

Front

If there are 55 jellybeans and 40% are red, how many are red?

Back

40% of 55 is 22. (40 / 100) × 55 = 22.

Front

How do you find 1/5 as a percentage?

Back

1/5 as a percentage is 20%. (1 ÷ 5) × 100 = 20%.

Front

What does it mean if a number is increased by a percentage?

Back

Increasing a number by a percentage means adding that percentage of the number to itself. For example, increasing 100 by 20% means adding 20 (which is 20% of 100) to 100, resulting in 120.