Percent Change
Tax/Fees/Tip
Discounts
Interest
Commission
100

Last year, a total of 450 people attended the fall concert. This year, 720 people attend the fall concert. What is the percent of increase in attendance?

60% increase

100

DeShawn buys a bicycle that costs $129.95. The sales-tax rate in his city is 8.3%. How much is tax? What is the total cost of the bicycle? (round tax amount to nearest cent)

Tax = $10.79

Total Cost = $140.74

100

The original price of a snowblower is $950. A sign states that all snowblowers are 20% off the original price. How much will be taken off the snowblower? What will be the final price?

Discount = $190

Final Price = $760

100

$850, 6%, 3 years

How much interest will be accrued?

$153

100

Mrs. Cousins works in a pool store and earns a 9.5% commission on every swimming pool she sells. How much commission would she earn for selling a pool that costs $5,600?  

$532

200

Last year, 780 students purchased school pictures. This year, 620 students purchased pictures. What is the percent of decrease in the number of pictures purchased? Round to the nearest tenth if necessary.  

20.5% decrease

200

The Sloan family stayed in a hotel room for 6 nights while on vacation. The total cost before tax was $1,470. If the hotel room tax rate in the city is 12%, how much will they pay in tax? What will the total cost of the stay be?

Tax = $176.40

Total Cost = 1,646.40

200

A washing machine is on clearance for 30% off. If the sale price of the washing machine is $395.49, what was the original price? Round to the nearest cent if necessary.

$564.99

200

Mr. Pharm put $1,550 into a savings account. The account pays 3.5% simple interest on an annual basis. If he does not add or withdraw money from the account, how much interest will he earn after 2 years?  

$108.50

200

Tino sells tractors and earns a 3.75% commission on every tractor he sells. How much commission would he earn for selling a tractor that cost $8,995? Round to the nearest cent.  

$337.31

300

At swim-team practice on Wednesday, Nicole swam 1,200 yards. On Thursday, she swam 1,600 yards. What is the percent of increase in the number of yards Nicole swam? Round to the nearest tenth if necessary.  

33.3% increase

300

Sarah went out to dinner for Prom. The total bill for the group came to $439.97. The large group is required to tip 18%. How much will their total bill be? (round tip to nearest cent)

$519.16
300

An electronics store is having an 18% off sale on everything in the store. To the nearest cent, which of the following could represent regular prices and sale prices of items in the store during the sale. Select all that apply:
Ⓐ regular price: $29.99, sale price: $24.59      
Ⓑ regular price: $55.43, sale price: $45.45
Ⓒ regular price: $215.33, sale price: $172.26
Ⓓ regular price: $652.30, sale price: $534.89
Ⓔ regular price: $849.50, sale price: $679.60

A, B, D

300

A local camping store deposited $12,000 into a savings account. The account pays 2.5% simple interest. If the store does not add or withdraw money from the account, how much interest will the store earn after 9 months?  

$225

300

Sandi’s commission rate is 5.6%. She received a commission of $2,412 on vacation packages she sold in November. What is the amount of money in vacation packages that Sandi sold? Round to the nearest dollar.  

$43,071
400

The manager of the local trampoline park estimates that 3,000 people will come to the park the first month it is open. A total of 5,600 people come to the park the first month. What is the percent error of the manager’s estimate? Round to the nearest tenth of a percent, if necessary.  

46.4% error

400

Angelica purchases $25.75 worth of cosmetics online. There is a 2% processing fee. What is the total cost of the cosmetics? Round to the nearest cent.  

$26.27

400

Discount Flooring is reducing the price of all oak flooring by 35%. The original price of the flooring is $799.99. Flooring contractors receive an additional 12% off the reduced price. What is the final price after all discounts have been taken? Round to the nearest cent.  

$457.59

400

George’s Restaurant deposited $5,000 into a savings account. The account pays 3.5% simple interest on an annual basis. If no money is added to or withdrawn from the account, how much interest will the restaurant earn after 27 months? Round to the nearest cent.  

$393.75

400

A clothing consignment shop earns a 30% commission on every piece of clothing it sells. What is the minimum amount it needs to sell to earn $660?  

$2,200

500

A jewelry store purchases a diamond ring from a wholesaler for $375.50. The store plans to mark up the ring by 175%. What will be the selling price of the diamond ring? Round to the nearest cent.

$1,032.63

500

Ling paid $1.15 in sales tax on a purchase of $18.40. What is the sales tax rate?

6.25%

500

A local camping store is clearing out last year’s tent models. The tents are marked down 45%. A coupon provides an additional 10% off the already reduced price. The original price of the tent is $230. What is the final price of the tent after all discounts have been taken?

$113.85

500

The McDougal's borrow $8,000 at a rate of 7.3% interest per year to fix their house. How much will the McDougal's pay in total with interest if they pay their loan back in 45 months ?

$10,190

500

Jaylen earned $1,100 in commission for selling T-shirts at the local recreation center. How much did she sell if she earns a 40% commission on every T-shirt she sells?  

$2,750