Percent Word Problems: Find Part, Whole, Percent

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is often used to compare quantities.

Front

How do you find the part when given the whole and the percent?

Back

To find the part, multiply the whole by the percent (in decimal form). For example, if the whole is 50 and the percent is 20%, then Part = 50 * 0.20 = 10.

Front

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

Back

To find the whole, divide the part by the percent (in decimal form). For example, if the part is 15 and the percent is 30%, then Whole = 15 / 0.30 = 50.

Front

How do you calculate the percent when given the part and the whole?

Back

To find the percent, divide the part by the whole and then multiply by 100. For example, if the part is 25 and the whole is 100, then Percent = (25 / 100) * 100 = 25%.

Front

What is 25% of 200?

Back

25% of 200 is 50. (200 * 0.25 = 50)

Front

If 60% of a class of 30 students passed a test, how many students passed?

Back

18 students passed. (30 * 0.60 = 18)

Front

If 15 students represent 25% of the class, how many students are in the class?

Back

There are 60 students in the class. (15 / 0.25 = 60)

Front

What is 10% of 150?

Back

10% of 150 is 15. (150 * 0.10 = 15)

Front

If 40 students are in a class and 10 students are absent, what percent of the class is present?

Back

75% of the class is present. (30 present / 40 total * 100 = 75%)

Front

If 20% of a number is 8, what is the number?

Back

The number is 40. (8 / 0.20 = 40)