Percentages Flashcard

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

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 15% of 20, calculate 20 x 0.15 = 3.

Front

What is 15% of 20?

Back

3

Front

What does it mean to split a bill evenly?

Back

Splitting a bill evenly means dividing the total amount by the number of people sharing the cost.

Front

If a bill is $115 and you split it among 5 people, how much does each person pay?

Back

Each person pays $23.00.

Front

What is a gratuity?

Back

A gratuity is a sum of money given to someone for their services, often referred to as a tip.

Front

How do you calculate a gratuity?

Back

To calculate a gratuity, multiply the total bill by the gratuity percentage (in decimal form). For example, for a $100 bill with a 15% gratuity, calculate 100 x 0.15 = 15.

Front

What is the new total after adding a 15% gratuity to a $100 bill?

Back

The new total is $115.

Front

What is the formula to find the total amount after adding a percentage?

Back

Total Amount = Original Amount + (Original Amount x Percentage).

Front

If you have 0.15 x __ = 12, what is the missing number?

Back

The missing number is 80.