Sales Tax
$18 breakfast; 7% tax
$19.26
$140 coat; 10% discount
$126
$530, 6%, 1 year
$31.8
John had $136 dollars. Someone stole some of his money. Now he has $45. What is the percent of change?
67% decrease
Mrs. Hollern works in a jewelry store and earns an 8.5% commission on every piece of jewelry she sells. How much commission would she earn for selling a necklace that costs $4,600?
$391
$49.95 pair of shoes; 5% tax
$52.45
$80 boots; 25% discount
$60
$750, 7%, 3 years
$157.5
One year, the population of a city was 189,000. Several years later it was 223,020. Find the percent increase.
18%
Booker’s father sells computer software and earns a 4.25% commission on every software package he sells. How much commission would he earn on a software package that sold for $15,725? Round to the nearest cent.
$668
Mr. Phuong stayed in a hotel room for 2 nights that cost $210. The hotel room tax rate in the city is 12%. What is the total cost for the hotel room?
$235.20
A yearly coffee club subscription costs $65. Avery received an offer for 62% off the subscription cost. What is the sale price of the subscription? Round to the nearest cent.
$25
Elena’s father put $460 into a savings account for her. The account pays 2.5% simple interest each year. If he neither adds nor withdraws money from the account, how much interest will the account earn after 4 years? Round to the nearest cent.
$46
Kayla went shopping for a new pair of sneakers. The listed price of the pair of sneakers was $20, but the price with tax came to $21.80. Find the percent sales tax.
9% increase
Aaliyah measured a line to be 8.7 inches long. If the actual length of the line is 8.3 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
4.8%
The cost of a hotel room during Lacy’s trip is $325. The hotel room tax in the city she is in is 10.5%. What is the total cost of the hotel room?
$359.13
A toy store is having a sale. A video game system has an original price of $99. It is on sale for 40% off the original price. Find the sale price of the game system. Round to the nearest cent.
$59.40
Liliya’s parents borrow $1,400 from the bank for a new washer and dryer. The interest rate is 7.5% per year. How much simple interest will they pay if they take 18 months to repay the loan? Round to the nearest cent.
$157.5
Madeline was out at a restaurant for dinner when the bill came. Her dinner came to $15.34. After her discount she paid $13. Find the percent discount.
18% decrease
A contractor estimates that it will take him 16 hours to complete a home improvement project. It actually takes him 12.5 hours.
What is the percent error of the contractor’s estimate?
28%
Robert spends $30.45, before tax, at the bookstore. If the sales tax rate in his city is 7.25%, what is the total cost of his purchase?
$32.66
During a clearance sale at a sporting goods store, skateboards were marked down 30%. On Saturday, an additional 25% was taken off already reduced prices of skateboards. If a skateboard originally cost $119.50, what was the final price after all discounts had been taken? Round to the nearest cent.
$62.74
Jack borrows $2,700 at a rate of 8.2% per year. How much simple interest will he owe if it takes 3 months to repay the loan? Round to the nearest cent.
$55.35
Lincoln invests money in an account paying simple interest. He invests $50 and no money is added or removed from the investment. After one year, he has $51.50. What is the simple percent interest per year?
3% increase
Anthony measured a line to be 16 inches long. If the actual length of the line is 15.6 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
2.6%