percentages

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of a whole is being considered.

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 calculate the tip based on a percentage?

Back

The formula to calculate the tip is: Tip = Total Bill Amount x (Tip Percentage / 100).

Front

If a shirt costs $40 and is on sale for 25% off, how do you find the sale price?

Back

To find the sale price, first calculate the discount: Discount = Original Price x (Discount Percentage / 100). Then subtract the discount from the original price.

Front

What is the difference between 'discount' and 'markup'?

Back

A discount reduces the original price of an item, while a markup increases the original price to determine the selling price.

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 10% of 200?

Back

10% of 200 is calculated as 200 x 0.10 = 20.

Front

How do you find the total amount after adding a percentage?

Back

To find the total amount after adding a percentage, calculate the percentage of the original amount and then add it to the original amount. For example, for a 15% increase on $100: Total = $100 + ($100 x 0.15) = $115.

Front

What does 'marked down' mean in retail?

Back

'Marked down' means that the price of an item has been reduced from its original price.

Front

How do you calculate the percentage increase from one number to another?

Back

To calculate the percentage increase, subtract the original number from the new number, divide by the original number, and then multiply by 100. Formula: Percentage Increase = ((New Number - Original Number) / Original Number) x 100.