Name: ______Date: ______
Cumulative Review: PercentsPreAlgebra
1 / Earth is made up of several different elements. Suppose a certain element makes up 5% of Earth. Express 5% as a decimal.A / 0.05 / B / 0.5 / C / 20 / D / 0.005
2 / Which set of numbers is in order from least to greatest?
A / / C /
B / / D /
3 / 17 is 45% of what number? If necessary, round your answer to the nearest hundredth.
A / 7.65 / B / 37.78 / C / 2.65 / D / 0.38
4 / Brian bought a new iPad for x dollars. One year later, the value of the iPad was 0.82x. Which expression is another way to describe the change in the value of the iPad?
A / 0.18% decrease / C / 18% decrease
B / 0.82% decrease / D / 82% decrease
5 / Richard sold a total of $7,200 worth of clothing last week at his store. If his commission is 8% of sales, how much commission did he earn?
A / $5,760 / B / $90,000 / C / $576 / D / $9,000
6 / Amanda sells ninja figurines at her store. If she sells a figurine for $45 and there is 6% sales tax, what is the total cost of the ninja figurine?
A / $27.00 / B / $47.70 / C / $42.30 / D / $2.70
7 / A retailer buys a coat in bulk at a unit price of $52. The coat is marked up 35% to sell in the store. What is the price of the coat in the store?
A / $18.20 / B / $70.20 / C / $75.80 / D / $148.57
8 / The Super Runners Shop is selling the new Nike edition running shoes for a price of $85.99. However,the Super RunnersShop is offering a one-day discount rate of 30% on all merchandise. About how much will the new Nike edition running shoes cost after the discount?
A / $25.80 / B / $55.99 / C / $60.19 / D / $111.79
9 / The cost of Carla’s dinner is $25.10. She leaves a tip that is 20% of the cost of the dinner. What is the best estimate for the amount of the tip?
A / $2.00 / B / $3.00 / C / $4.00 / D / $5.00
10 / Peyton puts $2,400 into savings bonds that pay a simple interest rate of 2.8%. How much money will the bonds be worth at the end of 3.5 years?
A / $3,000 / B / $2,635.20 / C / $2,352 / D / $235.20
11 / The price of the new iPhone 6 was predicted to be $600, but it was actually $500. What was the percent error in the prediction of the price of the
iPhone 6?
A / / B / / C / 1.2% / D / %
12 / The Seahawks won 16 games last year. This year the Seahawks won 20 games. What is the percent increase in the number of games the Seahawks won from last year to this year?
A / 10% / B / 25% / C / 90% / D / 125%
13 / Diane’s purchase before sales tax was added totaled $36.00. The total including tax was $38.16. What was the sales tax rate?
A / 2.16% / B / 9.4% / C / 6.0% / D / 8.0%
14 / If a pair of jeans costs x dollars, the expression x + 0.12(x) means “increase the price of the jeans by 12%.” Which expression means the same thing?
A / 0.12x / B / 1.2x / C / 12x / D / 1.12x
15 / Dean bought a computer that was 15% off the regular price of $1,080. If an 8% sales tax was added to the cost of the computer, what was the total price David paid for it?
A / $129.60 / B / $734.40 / C / $991.44 / D / $1,296
16 / Suzan bought a sweater at the sale price of $28. The original cost of the sweater was $40. What percent represents the discount that Suzan received when buying the sweater?
A / 30% / B / 43% / C / 70% / D / 12%
17 / Peter ordered a sweater on-line. The original price for the sweater was $18.00. He received a discount of 20% off this price. He also paid a shipping charge of $2.05. What is the total amount Peter paid?
A / $12.35 / B / $16.45 / C / $16.90 / D / $23.65
18 / The population of a town is expected to increase by 6.5% next year. If p represents the current population, which expression represents the expected population next year?
A / 1.65p / B / 1.065p / C / p + 0.065 / D / 1 + 0.065
19 / The expression 1.07(0.80p) represents the total amount Daniel paid for a new suit originally priced at p dollars. Which changes to the original price could have resulted in this expression?
A / The original price was reduced by 20% and then increased by 7%.
B / The original price was reduced by 20% and then increased by 107%.
C / The original price was increased by 80% and then increased by 7%.
D / The original price was increased by 80% and then increased by 107%.
20 / Janice’s service charge at a beauty salon was $72.60, before tax. The sales tax rate was 8%. If she added 20% of the amount before tax as a tip, how much did she pay for the service at the salon?
A / $87.12 / B / $92.93 / C / $100.60 / D / $145.20
21 / A dealer paid $12,000 for a boat at an auction. At the dealership, a salesperson sold the boat for 30% more than the auction price. The salesperson received a commission of 25% of the difference between the auction price and the dealership price. What was the salesperson’s commission?
A / $900 / B / $2,100 / C / $3,900 / D / $6,600
22 / On their anniversary, Mr. Smith took Mrs. Smith and their daughter, Kim, to a restaurant for dinner. All three ordered the special, regularly priced at $25.60.
- Mrs. Smith received a 35% discount for her dinner.
- Kim’s dinner was half price for a child’s portion.
A / $76.80 / B / $55.04 / C / $42.24 / D / $47.36
23 / A store purchased a DVD for $14.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 8% tax when the DVD was sold. What was the customer’s total cost for DVD?
A / $7.56 / B / $16.80 / C / $26.25 / D / $22.68
24 / Cherise invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Cherise received at the end of two years?
A / $4.20 / B / $6 / C / $8.40 / D / $12.60
25 / Jason bought a model rocket kit from a catalog. The price of the kit was $148.98.
PART A
The state sales tax of 6% was added, and then a $10 charge for shipping was added after the sales tax. What was the total amount Jason paid, including tax and shipping cost?
Show your work.
Answer $______
PART B
Jason received an allowance of $12 per week. How many weeks will it take him to purchase the kit?
Show your work.
Answer ______weeks
26 / A group hiked a total of 16.8 miles on the first day of a camping trip. On the second day, the group hiked a distance 14% more than the total distance hiked on the first day. To the nearest tenth of a mile, how many miles did the group hike on the second day?
Show your work.
Answer ______miles / 27 / A family went out todinner last Friday. The bill, before sales tax and tip, was $70.50.
PART A
A sales tax of 8% was added. What was the amount, in dollars, of the sales tax?
Show your work.
Answer $______
PART B
The family then tipped 20% on the amount after the sales tax was added. What was the total amount the group paid, including tax and tip?
Show your work.
Answer $______
28 / A store sold 650 bicycles last year. This year the store sold 572 bicycles. What is the percent decrease in the number of bicycles sold from last year to this year?
Answer ______% / 29 / Kelsie sold digital cameras on her web site. She bought the cameras for $65 each and
included a 60% markup to get the selling price. To the nearest dollar, what was the
selling price for one camera?
Show your work.
Answer $______
30 / Mrs. Hamilton worked for a real estate agency. She sold a house for $175,000. The
agency’s fee for the sale was 4% of the sale price. Mrs. Hamilton received $4,725 of theagency’s fee as her commission. What percent of the agency’s fee did Mrs. Hamiltonreceive? Round your answer to the nearest tenth of a percent.
Show your work.
Answer ______%
No Calc Lehana and Marty each opened a savings account with a deposit of $100.
- Lehana earned 2.5% simple interest per year
- Marty earned 2% simple interest per year
- Neither of them made additional deposits or withdrawals
How much more did Lehana receive in interest than Marty after three years?
A / $0.50 / B / $1.50 / C / $5.00 / D / $15.00No calc: The value of x is decreased by 40%. Which expression can be used to represent this situation?
A / 0.4x / B / 0.6x / C / 1-0.4x / D / 1-0.6xNo calc: During a sale, a store offered a 40% discount on a particular camera that was originally priced at $450. After the sale, the discounted price of the camera was increased by 40%. What was the price of the camera after this increase?
A / $252 / B / $360 / C / $378 / D / $450Each sales associate at an electronica store has a choice of the two salary options below.
- $115 per week pluis 9.5%
A / B / C / D
A / B / C / D
A / B / C / D
A / B / C / D