Tip, Tax, Discount, Percent Change

Front

What is a tip?

Back

A tip is a small amount of money given to someone for their service, usually calculated as a percentage of the total bill.

Front

How do you calculate sales tax?

Back

To calculate sales tax, multiply the price of the item by the sales tax rate (as a decimal) and then add that amount to the original price.

Front

What is a discount?

Back

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

Front

How do you calculate the final price after a discount?

Back

To find the final price after a discount, subtract the discount amount from the original price.

Front

What is percent change?

Back

Percent change is a way to express the change in a quantity as a percentage of the original amount.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, subtract the new value from the original value, divide by the original value, and multiply by 100.

Front

If an item costs $50 and has a 20% discount, what is the discount amount?

Back

The discount amount is $10.

Front

If a shirt costs $30 and the sales tax is 5%, what is the total cost?

Back

The total cost is $31.50.

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 to account for tax.

Front

If a house was originally $250,000 and is now $235,000, what is the percent decrease?

Back

The percent decrease is 6%.