Percent Word Problems

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 25% of 200, calculate 200 * 0.25 = 50.

Front

What does it mean to find a discount on a price?

Back

Finding a discount on a price means calculating the amount of money that is subtracted from the original price, usually expressed as a percentage.

Front

How do you calculate the final price after applying a discount?

Back

To calculate the final price after applying a discount, subtract the discount amount from the original price. Final Price = Original Price - Discount Amount.

Front

What is the formula to find the discount amount?

Back

Discount Amount = Original Price x (Discount Percentage / 100).

Front

If an item costs $100 and has a 20% discount, what is the discount amount?

Back

The discount amount is $20, calculated as $100 x 0.20.

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 relationship between percentages and fractions?

Back

Percentages can be converted to fractions by placing the percentage over 100 and simplifying. For example, 50% = 50/100 = 1/2.

Front

How do you find the total number of items when given a percentage?

Back

To find the total number of items when given a percentage, divide the number of items by the percentage (in decimal form). For example, if 20% of a total is 30, the total is 30 / 0.20 = 150.

Front

What is the formula to find the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) x 100.