Handout 11-01

advertisement
Name: ____________________________________
Cumulative Review: Percents
1
2
3
4
Date: ____________
PreAlgebra
Earth is made up of several different elements. Suppose a certain element
makes up 5% of Earth. Express 5% as a decimal.
0.05
0.5
20
0.005
A
B
C
D
Which set of numbers is in order from least to greatest?
A
0.42; 16%;
5
6
C
1
; 7%; 0.68
3
B
1
21%; ; 0.44
3
D
5
; 28%; 0.62
8
17 is 45% of what number? If necessary, round your answer to the nearest
hundredth.
7.65
37.78
2.65
0.38
A
B
C
D
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?
$5,760
$90,000
$576
$9,000
A
B
C
D
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?
$27.00
$47.70
$42.30
$2.70
A
B
C
D
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?
$18.20
$70.20
$75.80
$148.57
A
B
C
D
8
9
The Super Runners Shop is selling the new Nike edition running shoes for a
price of $85.99. However, the Super Runners Shop 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?
$25.80
$55.99
$60.19
$111.79
A
B
C
D
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?
$2.00
$3.00
$4.00
$5.00
A
B
C
D
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?
$3,000
$2,635.20 C
$2,352
$235.20
A
B
D
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
12
16.6%
B
20%
C
1.2%
D
83.3 %
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?
10%
25%
90%
125%
A
B
C
D
Cumulative
Review 11-01
13
14
15
16
17
18
19
20
21
22
23
24
Diane’s purchase before sales tax was added totaled $36.00. The total
including tax was $38.16. What was the sales tax rate?
2.16%
9.4%
6.0%
8.0%
A
B
C
D
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?
0.12x
1.2x
12x
1.12x
A
B
C
D
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?
$129.60
$734.40
$991.44
$1,296
A
B
C
D
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?
30%
43%
70%
12%
A
B
C
D
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?
$12.35
$16.45
$16.90
$23.65
A
B
C
D
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?
1.65p
1.065p
p + 0.065 D
1 + 0.065
A
B
C
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%.
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?
$87.12
$92.93
$100.60
$145.20
A
B
C
D
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?
$900
$2,100
$3,900
$6,600
A
B
C
D
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.
What was the total amount of the bill for the three meals after the discounts
but before tax and tip were added?
$76.80
$55.04
$42.24
$47.36
A
B
C
D
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?
$7.56
$16.80
$26.25
$22.68
A
B
C
D
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?
$4.20
$6
$8.40
$12.60
A
B
C
D
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.
27
A family went out to dinner last
Friday. The bill, before sales
tax and tip, was $70.50.
29
PART A
A sales tax of 8% was added. What was
the amount, in dollars, of the sales tax?
Show your work.
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 $_______________
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 $_______________
Answer $_________________
30
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
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
the agency’s fee as her
commission. What percent of
the agency’s fee did Mrs.
Hamilton receive? Round your
answer to the nearest tenth of a
percent.
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 ________ %
Answer ________ %
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?
No Calc
A
$0.50
B
$1.50
C
$5.00
D
$15.00
No 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
1-0.6x
No 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
$450
Each 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
Download