Sales Tax and Discounts
Percent Increase and Decrease
Commision
Miscellaneous
100

A book costs $12.50 before tax. If the sales tax rate is 8%, what is the total cost of the book after tax?

$13.50

100

The price of a concert ticket increased from $45 to $54. What is the percent increase?

20%

100

Sarah earns 2% on her sales per week. If she sold $1,000 worth of products, how much commission did she earn?

$20

100

A meal costs $30, and the tax rate is 7%. What is the total cost including tax?

$32.10

200

A shirt is on sale for 25% off its regular price of $40. What is the sale price of the shirt?

$30

200

A jacket regularly costs $90, but it’s on sale for $63. What is the percent decrease in the price of the jacket?

30%

200

Mike sold $2,500 worth of furniture last month. He earns a 3% commission on his sales. How much commission did he earn?

$75

200

A thermometer measures with a 4% margin of error, meaning the temperature it shows could be up to 4% higher or lower than the actual temperature. If the thermometer reads 75°F, what is the range of possible actual temperatures?  

72-78

300

A phone costs $500 before tax. The sales tax rate is 7%. What is the total price of the phone after tax?

$535

300

The price of a car increased from $18,000 to $20,700. What is the percent increase in the car’s price?

15%

300

Emily earned $400 last week at her job. She also received a 5% commission on sales worth $1,500. How much did Emily earn in total for the week?

$475

300

A company’s profits decreased from $5,000 to $4,250. What is the percent decrease?

15%

400

A pair of shoes is regularly priced at $85. If they are on sale for 15% off, and you use a $10 coupon, how much will you pay for the shoes after the discount and coupon?

$63.25

400

A house’s value decreased from $250,000 to $225,000. What is the percent decrease in the house’s value? 

10%

400

John earns $350 a week plus a 6% commission on his sales. If he sold $5,000 worth of products, what is his total weekly income?

$550


400

A kitchen scale measures with a 6% margin of error, meaning the reading could be up to 6% above or below the actual weight. If the scale shows that a bag of rice weighs 50 pounds, what is the range of possible actual weights for the rice?

$53

400
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400