Percent Change
What is the definition of "percent change"?
An amount of change expressed as a percent of the original amount
Write 35% as a decimal.
0.35
What is a synonym for "gratuity"?
Tip
What is the definition for "commission"?
a fee a person earns for sales or services.
True or False: the definition for principal is "the initial amount borrowed"
True
What is the percent change from 4 to 5?
25%
What percent represents the total price after a markdown of 20%?
80%
Sally is going out to dinner and wants to tip 20% on her bill. Write an equation Sally can use to calculate the tip, y, if her total bill is x dollars.
OR y=0.20x
Jennifer gets 5% commission on every sale she makes. If she has $600 in sales, how much commission does she receive?
$30
Peter opens a new savings account and deposits $1,000. If the savings account has a simple interest rate of 0.3%, how much interest would he receive after a year?
$3
Jill bought a pair of shoes for $28 but she is selling it for $40. What is the percent increase?
50%
Markup $15 by 140%.
36
Billy pays 8% sales tax on his baseball cap, which was worth $30. How much tax did he have to pay for his hat?
$2.40
Ember gets a base salary of $32,000 every year. She also gets a 3.5% commission on her sales. If she has a total of $85,000 in sales for the year, how much money will she receive in total?
$34,975
Abel takes a loan out of $15,900. He is set to pay it back with an interest rate of 6% over 10 years. How much money will he be paying in interest for that time?
$9,540
Pima Community College had 1500 students enrolled in its East campus one year. The next year they have 3% higher enrollment. How many students enrolled the next year?
1,545 students
$1.75
A business traveler buys a round-trip plane ticket for $629. The tax rate is 7.5%. How much was the cost after tax? Round to the nearest cent if necessary
$676.18
Sheila is a hair stylist who makes $10 an hour. She also receives a fee of $2.85 for every hair appointment that she schedules. If Sheila works 35 hours this week and books 5 appointments, how much money will she get for the week?
$364.25
Ellen receives $3,500 in simple interest after having her savings account open for 10 years. If the interest rate was 3.5%, how much was her principal when she initially deposited the money?
$10,000
A display for rolls of tape indicates that each roll contains 200 yards of tape. If the actual length of tape can vary by 4% of that amount, what is the range for the length of tape on a roll?
192 yards - 208 yards
$240
Lisa pays a florist for her wedding. Lisa wants to give the florist a 10% tip on top of the sales tax of 7.5%. How much money will Lisa be paying in total if the flowers cost $300?
$352.50
Larry the car salesman makes $60,000 a year. He also gets a commission of 4.85% on every car he sells. If he sells $3.6 million in cars this year, what are Larry's earnings for that year?
$234,600
Sam purchases a new car for $28,000 and finances it with a 6-year simple interest loan at an annual rate of 3.5%. What are Sam's monthly payments, rounded to the nearest cent?
$470.56