Percent
Change
Change
A coffee shop makes hot chocolate with milk warmed to 172°F with an allowable error of 6%. What is the acceptable temperature range for milk when making hot chocolate?
161.68°F to 182.32°F
Beach Bicycles sells two-seater bicycles. Its markup rate is 68%. What equation represents the new price for a bicycle, y, given an original price, x?
y=1.68x
A group of friends’ dinner bill before tax is $122.75. The sales tax rate is 8%. They want to leave an 18% tip after tax. What is their total dinner bill, including tax and tip, rounded to the nearest cent?
$156.43
A certain grocery store charges a fee of 3% of the total bill to have groceries delivered. What is the total price the store charges to deliver $140 worth of groceries?
$144.20
Mr. Rahim purchases a new car for $24,000 and finances it with a 5-year simple interest loan at an annual rate of 3.75%. What are Mr. Rahim’s monthly car payments rounded to the nearest dollar?
$475
The Shoe Stop is having a sale on sneakers. The original price for a pair of high-top sneakers is $135.00. The sale price for the sneakers is $94.50. What is the percent decrease in the price of the sneakers?
30%
During a closeout sale, some television models are discounted 40%. If a television is on sale for $1,485, what is the original price of the television rounded to the nearest dollar?
$2475
Suzanne buys upgrades for her computer. The upgrades cost $311.60 before tax. The sales tax rate is 6.75%. How much sales tax does Suzanne pay for the computer upgrades rounded to the nearest cent?
$21.03
Lamar is a commercial real estate agent who earns a yearly salary of $82,500 plus a 2.5% commission on his total sales. If his total sales in one year are $3.75 million, what are Lamar‘s earnings for that year?
$176,250
Bianca deposits $3,000 in a savings account earning 4.25% simple interest per year.
How much interest will Bianca earn for a period of 3 years?
$382.50
150 to 117
22%
Jalisa buys candles in bulk to sell in her store. Her cost for each candle is $9. She marks up the candles 85%. How much does Jalisa charge per candle?
$16.65
Logan is having his dog professionally groomed and wants to tip the groomer 15%. Write an equation Logan can use to calculate the tip, y, if his total bill is x dollars.
y=0.15x
What are the total earnings?
Base Salary: $42,000; Total sales: $175,000; Commission: 4%
$49,000
Edgar takes out a loan of $5,540, to be repaid over 7 years at 8.5% simple interest. How much interest will Edgar have to pay on the loan?
$3296.30
340 to 255
25%
A hobby store marks up remote-controlled cars 20%. The original price was $35. What is the retail price to purchase a remote-controlled car at the hobby store?
$42.00
The school band is having its end-of-year dinner at a local restaurant. The band director wants to give the server a 20% gratuity, and the restaurant’s sales tax is 8.25%.
Which terms would the band director use to write an equation to determine the total cost of the meal, y, given the amount of the bill before tax and gratuity, x?
x, 0.20x, 0.0825x
A stockbroker earns $53,000 annually plus 0.8% of his clients’ total investment portfolios. If his clients’ investments total $1.2 million, what is his commission this year?
$9600
Bianca deposits $3,000 in a savings account earning 4.25% simple interest per year.
Bianca receives $4,402.50 when she closes her savings account. If she made no changes to the account, for how many years did Bianca keep the account open?
11 years
A new fitness club holds an open house for new members. The club expects 6,500 people to sign up for a gym membership. If there is a percent error of 4%, what is the range of the number of people who are expected to sign up for a gym membership?
6240 - 6760
$12.99 marked down 25%
$9.74
The school band is having its end-of-year dinner at a local restaurant. The band director wants to give the server a 20% gratuity, and the restaurant’s sales tax is 8.25%.
By what percent does the cost of the meal increase with tax and gratuity?
28.25%
Find the commission earned on total sales of $164,000 at a commission rate of 3%.
$4920
Delilah deposits $8,255 in an account that pays 4.2% simple interest. How much money will be in her account after 8 years?
$11028.68