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 to find the original price before a discount?

Back

Original Price = Sale Price / (1 - Discount Rate). For example, if the sale price is $80 and the discount is 20%, the original price is $80 / (1 - 0.20) = $100.

Front

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

Back

To find the number, divide 51 by 0.34. The number is 151.

Front

What is the percent grade if a student scores 60 out of 75?

Back

Percent Grade = (Score / Total Points) * 100. Here, (60 / 75) * 100 = 80%.

Front

How do you find the sale price after a discount?

Back

Sale Price = Original Price - (Original Price * Discount Rate). For example, if the original price is $800 and the discount is 24%, the sale price is $800 - ($800 * 0.24) = $608.

Front

What does it mean to have a 20% off sale?

Back

A 20% off sale means that the price of an item is reduced by 20% of its original price.

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. For example, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

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

Back

Percent is a part per hundred, decimal is a fraction of 10, and fraction is a ratio of two numbers. For example, 25% = 0.25 = 1/4.

Front

If 15% of a number is 60, how do you find the number?

Back

To find the number, divide 60 by 0.15. The number is 400.