Percent of a Number

Front

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

Back

To find 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 'percent' mean?

Back

Percent means 'per hundred.' It is a way to express a number as a fraction of 100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% becomes 0.25.

Front

What is 30% of 200?

Back

60

Front

If 40% of a class of 30 students are girls, how many girls are there?

Back

12 girls (30 * 0.40 = 12).

Front

What is 10% of $50?

Back

$5

Front

How do you find the percentage of a number when given the part and the whole?

Back

To find the percentage, divide the part by the whole and multiply by 100. For example, if there are 15 apples out of 60, the percentage is (15/60) * 100 = 25%.

Front

What is 50% of 80?

Back

40

Front

What does the word 'of' indicate in percentage problems?

Back

In percentage problems, 'of' indicates multiplication.

Front

What is 6% of 200?

Back

12