Part of a Whole
13 is what percent of 26 ?
13/26 = 0.50 = 50%
Find 50% of 40
20
The Sloan family stayed in a hotel room while on vacation. The cost for the hotel room is $195 per night for a 6-night stay, before tax. If the hotel room tax rate in the city is 12%, what was the total cost for the hotel room?
$218.40
Write 13/56 as a percentage
23.8%
A coach is expecting 35 players to try out for the basketball team. There are actually 40 players that try out.
What is the percent error in the coach’s expectation?
12.5% error
25 is what percent of 75 ?
33.33%
Find 20% of $18
$3.60
There were 120 students at a creative writing workshop last year. This year there are 138 students.
What is the percent of increase in the number of students at the workshop?
15% increase
Decrease 60 by 50%
30
A grocery store sells bags of potatoes labeled as 5-pound bags. Sarah weighs one of the bags and finds the weight is 4.9 pounds.
What is the percent error in the labeled weight?
2.04% or about 2% error
27 is what percentage of 67 ?
40.3%
Ling paid a total of $19.55 on a purchase of $18.40. What is the sales tax rate?
19.55 - 18.40 = 1.15
1.15 / 18.40 = 0.0625 = 6.25%
6.25% sales tax rate
The wholesale cost of a dining room table at a furniture store is $1,215.80. The markup for the table is 30%. What is the selling price of the dining room table?
A. $364.74
B. $851.06
C. $1,580.54
D. $1,642.19
C. $1,580.54
30% mark up = 0.30 x 1,215.80 = 364.74
$364.74 + $1,215.80 = $1,580.54
Decrease 50 by 10%
45
Lizzy opens a savings account with $400. She does not make any additional deposits or withdrawals. After one year, the amount in her savings account is $409.60. What is the annual interest rate of Lizzy’s savings account?
2.4% annual interest rate
An item is discounted by 32% and the final price is $53.38
$78.50
Nick buys a pair of shoes that cost $155.75 with a 6% sales tax. How much is he paying in sales tax?
6% 0f 155.75 = 0.06 x 155.75 = 9.345
About $9.35
A camping store pays a wholesale price of $24.50 for a fishing rod and sells it for $31.85. What is the percent markup?
30% markup
Tyrese bought 35 tickets at the carnival. After using some of the tickets to ride the bumper cars and play some games, he has 28 tickets left. What is the percent of decrease in the number of tickets that he has?
20% decrease
Tyler’s savings account pays a simple annual interest rate of 3.25%. Suppose he deposits $5,000 in the account and makes no additional deposits or withdrawals.
What will the total value of the account be after one year?
$5,162.50
An item is increased by 11.7% and the price after the increase is $145.21, what is the original price of the item?
$130
There are 15 members in a bicycle club this fall. By next summer, Ken hopes the number of members will be 140% of this number.
What is Ken’s goal for the number of members next summer?
21 members in the bicycle club
After a percentage increase of 27% a number is 1018.54
What is 802
A washing machine is on clearance for 30% off. If the sales price of the washing machine is $395.49, what was the original price? Round to the nearest cent, if necessary
100% - 30% = 70% = 0.70
395.49 = 0.70 x (Original Price)
Original price = 395.49 / 0.70 = 564.9857
$564.99
Brandy opens a savings account with $600. Bank A offers an annual interest rate of 2.5%. Bank B offers an annual interest rate of 2.2%.
What is the difference between the balances of Bank A and Bank B after one year? Explain and show your work.
Bank A: 2.5% of $600 = 0.025 x $600 = $15
Bank B: 2.2% of $600 = 0.022 x $600 = $13.20
$15.00 - $13.20 = $1.80 more in Bank A after one year.
(Answers may vary)