Finding Whole and Part from Percent

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios or to describe proportions.

Front

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

Back

To find the whole, divide the part by the percent (in decimal form). For example, if 30% of a number is 12, then the whole is 12 ÷ 0.30 = 40.

Front

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

Back

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

Front

If 75 students represent 5% of the total, how do you find the total number of students?

Back

To find the total, divide the number of students (75) by the percent (in decimal form, 0.05). Total = 75 ÷ 0.05 = 1500.

Front

What is 10% of 250?

Back

10% of 250 is 25.

Front

How do you convert a percent to a decimal?

Back

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

Front

What is the relationship between part, whole, and percent?

Back

The relationship is defined by the formula: Part = (Percent / 100) × Whole.

Front

If 20 is 100% of a number, what is that number?

Back

If 20 is 100% of a number, then the number is 20.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, use the formula: Percent = (Part / Whole) × 100.

Front

What is 5% of 60?

Back

5% of 60 is 3.