Discount/Sales Tax/Percent Change

Front

What is percent change?

Back

Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) x 100.

Front

If a class size increased from 27 to 30, what is the percent change?

Back

11%.

Front

What is a discount?

Back

A discount is a reduction in the original price of a product or service.

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Original Price x Discount Rate).

Front

If a microwave costs $225 and has a 30% discount, what is the sale price?

Back

$157.50.

Front

What is sales tax?

Back

Sales tax is a percentage added to the price of goods and services, collected by the seller and paid to the government.

Front

How do you calculate the total cost including sales tax?

Back

Total Cost = Price + (Price x Sales Tax Rate).

Front

If a computer costs $675 and the sales tax is 6%, what is the total cost?

Back

$715.50.

Front

What is percent increase?

Back

Percent increase measures how much a quantity has grown relative to its original value, expressed as a percentage.