1
2
3
4
100
Liz wants to buy a shirt for $25. How much will Liz’s shirt cost in Springfield rounded up to the nearest cent?
A $25.50
B $26.00
C $26.03
D $36.66
C $26.03
100
Find each percent increase. Round to the nearest percent. The first one is done for you.
From 12 teachers to 48 teachers
300%
100
Find each percent decrease. Round to the nearest percent. The first one is done for you.
From $60 to $40
33%
100
Find each percent decrease. Round to the nearest percent. The first one is done for you.
From 100 ounces to 25 ounces
75%
200
A shopper paid $432 for an item marked $400. What was the percent of the sales tax?
(400-432)/400 = -.08 * 100 = 8%
200
Apply the markdown for each item. Then, find the retail price. Round to two decimal places when necessary.
Original price: $105; Markdown: 75%
$26.25
200
Apply the markup for each item. Then, find the retail price. Round to two decimal places when necessary.
Original cost: $62; Markup %: 35%
$21.70 + $62.00 =$83.70
200
Find each percent increase. Round to the nearest percent. The first one is done for you.
From 80 pencils to 152 pencils 90%
90%
300
Some students are raising money by selling greeting cards. They buy the cards for $3 a box and then mark up the price by 30%. For how much do they sell each box of cards?
3 * .3 = .90 3+.90 = $3.90
300
A student purchases school supplies at a store where the sales tax is 7%. The
pre-tax price of the supplies is $48.
What is the total cost of the supplies?
A $3.36 C $51.36
B $33.60 D $55.00
C $51.36
300
How much more will her shirt cost in Union City than in River City?
A $0.01
B $0.05
C $0.10
D $25.80
B $0.05
300
Find each percent of change.
8 is increased to 22
amount of change: 22 - 8 = _______
original amount: ________
________ ● 100 = ________
8 is increased to 22
amount of change: 22 - 8 = 14
original amount: 8
14/8 ● 100 = 175%
400
Find k, the constant of proportionality, for the data in this table. Then write an equation for the relationship
k 6.5; y 6.5x
400
A gym’s membership in 2010 was 8,700. Now, it is 6,400. Which expression equals the percent of change?
A 6,400 / 8,700
B 8,700 - 6,400
C (8,700 - 6,400) / 8,700
D (8,700 - 6,400) / 6,400
C (8,700 - 6,400) / 8,700
400
A store is going out of business. Everything is marked down 40%. How much do you pay now for an item that used to cost $150?
150 * .4 = 60 150-60 = $90
400
Apply the markup for each item. Then, find the retail price. Round to two decimal places when necessary.
Original cost: $1.25; Markup %: 80%
$1.25 + $1.00 = $2.25
500
One town had an increase of population. Find the percent of increase to the nearest tenth of a percent.
Riverview (41,700-63,000)/41,700 = -51.079.. =
51.1%
500
Pete and Teagan each put the same amount of money in a new bank account. Teagan’s account earns 2.75% simple interest, and she earned $2.20 in interest after one year. Pete’s account earns 5% simple interest. How much interest did Pete earn in his account after one year?
500
Find the percent of decrease for Lakeside, to the nearest tenth of a percent.
(51,300-45,800)/45,800=.1072.. *100 =
10.7% decrease
500
Kate purchases a $20 item at a store. She uses a coupon to receive a 15% discount, and she pays a 6% sales tax on the item. She calculates the total cost, in dollars, of the item using the expression shown.
(1.15) (1.06) (20)
Describe the error in the expression Kate used for her calculations. Show or explain how you would calculate the total cost of Kate’s purchase.
$20 * .15 = 3
$20-3 = $17
$17 * .06 = 1.02
$17 + 1.02 = 18.02