Percent Change
Markups and Discounts
Taxes and Gratuities
Comissions and Fees
Simple Interest
100

A TV was originally $500, but now it is $450. What is the percent decrease?

10%

100

A shirt costs $30, but the store is offering a 10% discount. What is the sale price?

$27

100

A restaurant bill is $40, and the sales tax is 8%. What is the total bill including tax?

$43.20

100

A salesperson earns a 5% commission on $1,000 in sales. How much is the commission?

$50

100

If you invest $1,000 at a 3% annual interest rate for 1 year, how much interest will you earn?

$30

200

A pair of sneakers cost $80 last week, and now they cost $100. What is the percent increase?

25%

200

A bike is originally priced at $200, but a store marks it up by 15%. What is the new price?

$230

200

If a meal costs $50 and you leave a 15% tip, what is the total amount you pay?

$57.50

200

A real estate agent earns a 6% commission on a house sold for $200,000. What is the commission?

$12,000

200

If you invest $500 at 4% for 2 years, what is the total interest?

$40

300

The population of a small town increased from 1,200 to 1,800 people. What is the percent increase?

50%

300

A couch is marked down by 25% from $600. What is the sale price?

$450

300

A $30 shirt has 7% sales tax. What is the final cost?

$32.10

300

A company charges a 10% service fee on a bill of $400. What is the total fee?

$40

300

How much interest is earned on $1,200 at 5% for 3 years?

$180

400

A store reduces the price of a coat from $200 to $160. What is the percent decrease?

20%

400

A TV is marked up by 20% from $500. What is the new price?

$600

400

You buy an item for $120, and the sales tax is 5%. What is the total cost?

$126

400

A salesperson earns 8% commission on $2,500 worth of sales. What is their total commission?

$200

400

If $2,000 is invested at 6% for 2 years, how much interest is earned?

$240

500

The price of a laptop increased from $1,000 to $1,250. What is the percent increase?

25%

500

A camera is on sale for 40% off its original price of $250. What is the sale price?

$150

500

A meal costs $80, and you leave a 20% tip. How much do you pay in total?

$96

500

A fee of $25 is added to a $500 bill. What is the total cost?


$525

500

What is the total value of an account after earning $150 interest on a $3,000 investment at 5% for 1 year?

$3,150