Percent Proportions and Equations

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

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

Back

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

Front

If 34% of a number is 51, how do you find the number?

Back

Divide 51 by 0.34. The number is 150.

Front

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

Back

Part = (Percent/100) * Whole.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is 118 as a percent of 157?

Back

To find this, use the formula: (118/157) * 100 = 75.2%.

Front

What is 8% of 276?

Back

To find this, calculate 276 * 0.08 = 22.08.

Front

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

Back

Use the formula: Whole = Part / (Percent/100).

Front

If 142 is what percent of 158, how do you calculate it?

Back

Use the formula: (142/158) * 100 = 89.9%.