PERCENT OF Change/Error/Markup
TAX/TIPS/MARKUPS
DISCOUNTS
COMMISSION, FEE, and INTEREST
BASIC PERCENTS
100

There were 110 students at a creative writing workshop last year. This year there are 132 students. What is the percent of increase in the number of students at the workshop?

20%

100

Cassie wants to purchase a pair of binoculars that is on sale for $155.75. The sales tax rate in her county is 7%.  How much tax will Cassie pay?

$10.90

100

Ms. Chatelle has a 25% off coupon.  If she spends $182.60, how much is her discount?

$45.65

100

Mrs. Montgomery earns a 6.5% commission on her total sales. Last month, she had sales of $55,780. How much commission did Mrs. Montgomery earn last month?

$3625.70

100

What number is 22.5% of 40?

9

200

Lena bought 40 tickets to use at the carnival. She used some of the tickets to ride the bumper cars and play some games. Now she has 24 tickets left. What is the percent of decrease in the number of tickets that she has?

40%

200

For large parties at a certain restaurant, a tip of 20% is automatically included in the bill.  What would be the tip amount if the bill is $287.51?

$57.50

200

Mr. Kelly is offered a 20% off the total bill (including taxes) coupon for Texas Roadhouse.  If his bill (including taxes) is $98.80, how much will the total bill be after his discount?  

$79.04

200

Lucia bought some art supplies from an online retailer that cost $78.99. The retailer charges a $4.95 shipping fee or 6.5% of the total purchase, whichever is greater. How much shipping will she pay?

$5.13 in shipping because it is greater than 4.95

200

There are 12 members in a bicycle club this fall. By next summer, Noelle hopes the number of members will be 175% of this number. What is Noelle’s goal for the number of members next summer?

21

300

There are 159 counties in the state of Georgia. Lamont says that there are about 160 counties in the state.  What is the percent error in Lamont’s estimate? Round to the nearest tenth percent.


0.6%

300

The Peyton family stayed in a hotel room for 5 nights while on vacation. The total cost before tax was $1,075. If the hotel room tax rate in the city is 14%, what was the total cost for the hotel room?

$1225.50

300

An electronics store is having a 15% 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.  (SEE IMAGE)

A, B, D

300

Indicate the correct amount of simple interest earned in the savings account if:

principal: $4,200, rate: 2.5%, time: 3 years

$315

300

Samuel made 31 out of 40 field goals during football practice. Which proportion shows how to find the percent of field goals made?

(SEE IMAGE)

A

400

An outdoor and camping store pays a wholesale price of $27.25 for a fishing rod and sells it for $38.15. What is the percent markup?

40%

400

The wholesale cost of a dining room table at a furniture store is $1,115.80. The markup for the table is 20%. What is the selling price of the dining room table?

C.  1338.96

400

Ms. Walsh wants to buy a laptop that is priced at $426.50.  The store is offering 20% off.  Ms. Walsh also has a coupon for 30% off the sale price.  How much did Ms. Walsh pay for the laptop? 

$238.84

400

Kanica wants to earn at least $750 this week in commission. What is the minimum amount she needs to sell in order to earn $750 if she earns a 7.5% commission on everything she sells

$10,000

400

2.5 is 0.1% of what number

2500

500

Number of sit-ups during each Week.

Week 1 = 40      Week 2 = 47     Week 3 = 52

What is the percent of change from week 1 to week 2 and from week 2 to week 3?  What interval has the greater percent of increase? How much greater? 

Week 1-2 = 17.5%

Week 2-3 = 10.6%

Weeks 1-2 is greater by about 6.9%

500

Mei paid $1.64 in sales tax on a purchase of $20.50. What is the sales tax rate?

8%

500

A washing machine is on clearance for 40% off. If the sale price of the washing machine is $479.95, what was the original price?

$799.92

500

Micah’s savings account pays a simple annual interest rate of 2.25%. Suppose he deposits $6,000 in the account and makes no additional deposits or withdrawals for 4 years. What will the total value of the account be after 4 years?

$6540

500

The table shows the percent of each type of movie in Adrian’s collection. If Adrian has 28 action movies, how many science fiction movies does he have?

SEE IMAGE

24