Percent Proportion

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 what number a percent is of?

Back

To find what number a percent is of, divide the part by the percent (in decimal form) and multiply by 100.

Front

What is the formula to calculate the percent of a number?

Back

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

Front

If 20 is 40% of what number, how do you find the whole?

Back

Divide 20 by 0.40 to find the whole number.

Front

What is the formula for calculating a tip based on a percentage?

Back

Tip = Total Bill x (Tip Percentage / 100).

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 percent is 24 out of 60?

Back

To find the percent, use the formula: (24 / 60) x 100 = 40%.

Front

If a meal costs $28 and you want to leave a 20% tip, how do you calculate the tip?

Back

Tip = $28 x 0.20 = $5.60.

Front

What is the relationship between percent, fraction, and decimal?

Back

Percent is a fraction with a denominator of 100, and it can also be expressed as a decimal by dividing by 100.

Front

How do you find the percent increase or decrease?

Back

Percent Change = ((New Value - Old Value) / Old Value) x 100.