Percents

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 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 is the formula for finding the sale price after a discount?

Back

The sale price can be calculated using the formula: Sale Price = Original Price - (Original Price * Discount Rate).

Front

How do you convert a percentage to a decimal?

Back

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

Front

What is the percent of change formula?

Back

The percent of change is calculated using the formula: Percent of Change = ((New Value - Old Value) / Old Value) * 100.

Front

What is 42% of 65?

Back

42% of 65 is calculated as 65 * 0.42 = 27.3.

Front

If a TV is regularly priced at $600 and is on sale for 20% off, what is the sale price?

Back

The sale price is $600 - ($600 * 0.20) = $480.

Front

What is 33% of 50?

Back

33% of 50 is calculated as 50 * 0.33 = 16.5.

Front

What number is 20% of 102?

Back

20% of 102 is calculated as 102 * 0.20 = 20.4.

Front

How do you find the percent of increase?

Back

To find the percent of increase, use the formula: Percent of Increase = ((New Value - Old Value) / Old Value) * 100.