Percentage Calculation Practice

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 does 'of' mean in percentage problems?

Back

In percentage problems, 'of' indicates multiplication. For example, '20% of 50' means 0.20 * 50.

Front

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

Back

The formula is: Whole = Part / (Percentage in decimal form). For example, if 82% of a number is 41, the whole is 41 / 0.82 = 50.

Front

What is 49% of 10?

Back

49% of 10 is 4.9.

Front

If 74% of a number equals 7.4, what is the number?

Back

The number is 10.

Front

What is 17% of 5?

Back

17% of 5 is 0.85.

Front

If 76% of 80 equals 60.8, how do you find the percentage?

Back

To find the percentage, use the formula: Percentage = (Part / Whole) * 100. Here, (60.8 / 80) * 100 = 76%.

Front

What is the relationship between percentages and fractions?

Back

Percentages can be converted to fractions by placing the percentage over 100. For example, 25% = 25/100 = 1/4.

Front

How do you convert a percentage to a decimal?

Back

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