It's All About 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, 20% of 50 is 50 * 0.20 = 10.

Front

What does it mean to add sales tax to a price?

Back

Adding sales tax means increasing the original price by a certain percentage, which is collected by the government.

Front

If a shirt costs $20 and the sales tax is 5%, what is the total cost?

Back

Total cost = $20 + ($20 * 0.05) = $21.

Front

What is the formula to find the final price after a discount?

Back

Final Price = Original Price - (Original Price * Discount Rate).

Front

How do you find the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) * 100.

Front

What is a discount?

Back

A discount is a reduction in the original price of a product, usually expressed as a percentage.

Front

If a product is originally $50 and is on sale for 20% off, what is the sale price?

Back

Sale Price = $50 - ($50 * 0.20) = $40.

Front

What is the relationship between fractions and percents?

Back

Percents can be converted to fractions by placing the percent over 100 and simplifying.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign. For example, 0.75 = 75%.