Percent Proportions

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents how much of something exists in relation to a whole.

Front

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

Back

To find what percent one number (A) is of another number (B), use the formula: (A / B) * 100.

Front

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

Back

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

Front

If 30 is what percent of 40, how do you set up the equation?

Back

Set up the equation as: (30 / 40) * 100 = Percent.

Front

What does it mean if 34% of a number equals 51?

Back

It means that 51 is 34% of that number, and you can find the number by rearranging the formula: Number = 51 / (34 / 100).

Front

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

Back

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

Front

What is the relationship between fractions and percents?

Back

Percents are a specific type of fraction where the denominator is always 100.

Front

If 9 is 45% of a number, how do you find that number?

Back

Set up the equation: 9 = 0.45 * Number, then solve for Number.

Front

What is the percent increase formula?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is the percent decrease formula?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) * 100.