Solving Percent Problems

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 '%'. For example, 50% means 50 out of 100.

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 if a number is 25% of another number?

Back

If a number is 25% of another number, it means that it is one-fourth of that number. For example, 25% of 200 is 50.

Front

How do you find the total when given a part and its percentage?

Back

To find the total, divide the part by the percentage (in decimal form). For example, if 30 is 15% of a total, the total is 30 / 0.15 = 200.

Front

What is 50% of 80?

Back

50% of 80 is 40.

Front

If 60 is 30% of a number, what is the number?

Back

The number is 200, because 60 / 0.30 = 200.

Front

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

Back

The formula is: Percentage = (Part / Whole) * 100.

Front

If a student scored 18 out of 30 on a test, what is their score as a percentage?

Back

The score is 60%, calculated as (18 / 30) * 100.

Front

What is 10% of 200?

Back

10% of 200 is 20.

Front

If 15% of a class of 40 students are absent, how many students are absent?

Back

6 students are absent, calculated as 40 * 0.15 = 6.