Percent Change
62 Trees to 31 trees
50%
$1,200, 3.5%, 2 years
Interest: $84.00
$240,000 sale; 8% commission
$19,200 in commission
$18 breakfast; 7% sales tax
$19.26
$185 tv; 5% markup
$194.25
136 Days to 85 Days
37.5%
Define each:
Prinicpal:
Rate:
Time:
Interest:
P = money borrowed/loaned or deposited
I = amount paid or earned for the use of the principal
T = calculated in years
R = written as a percent
Purchase of 34.98; fee of 3.25%. Find the fee and new total.
Fee: $1.14
Total: 36.12
$24 lunch, 15% tip
$27.60
$325 tent; 15% discount
$276.25
At a garage sale, Petra priced her scooter for $10.75. She ended up selling it for $10.50. What was the percent decrease?
2.33%
A new bank customer with $12,000 wants to open a money market account. The bank is offering a simple interest rate of 1.1%. How much interest will the customer earn in 20 years? Identify each variable
I = $2,640
P = $12000
R = 1.1%
T = 20 years
Lilly needs to earn at least $945 this month in commission. What is the minimum amount she needs to sell if she earns a 5.25% commission?
She needs to sell $18,000 in goods.
Robert spends $30.45, before tax, at the bookstore. If the sales tax rate in his city is 7.25%, what is the total cost of his purchase.
$32.66
The local electronics store is having a "Back to School" sale. Marcus wants to buy a laptop that normally costs $205.99. The store is offering a 15% discount on all laptops. If Marcus uses his student ID, he can get an extra 5% off the already discounted price. How much will Marcus save in total, and what is the final price of the laptop?
$164.79
Last month, the online price of a powered ride-on car was $250. This month, the online price is $330. What is the percent of increase for the price of the car?
32%
Owen deposited some money into an account that earns 3% simple interest each year. After 8 years, Owen had earned $1,536 in interest. How much money was initially deposited in this account. Identify each variable.
I = $1,536
P = $6,400
R = 3%
T = 8 years
Finley bought some paper supplies from an online retailer. The retailer charges a $6.95 shipping fee or 8% of the total purchase. If Finley's total purchase is $89.50, how much will he pay for shipping?
He will pay $7.16 for shipping.
Jack wants too buy a coat that costs $74.95. The sales tax rate in his city is 6 1/2%. What is the sales tax amount on the coat? What is the total cost?
Sales tax: $4.87
Total cost:$79.82
A pet store sells a large dog kennel for 98.50. The wholesale cost of the kennel is 63.55. What is the percent markup?
55%
A music video website received 5,000 comments on a new song they released. The next day, the artist performed the song on television and an additional 1,500 comments were made on the website. What is the percent of increase.
30%
Sean got a loan to buy a new car for $19,500. Sean financed the car for 6 years and ended up paying an additional $3,510 in interest. What was the interest rate? Identify each variable.
I = $3,510
P = $19,500
R = 3%
T = 6 years
Josie needs to earn $1,200 each month to cover her living expenses. She earns an 8% commission on everything she sells. What is the minimum amount she needs to sell in order to earn $1, 200?
She needs to sell $15,000 in goods.
A student is finding the total cost c, including sales tax, of a book that costs $9.95. The sales tax rate is 9%. Find the students error and correct it.
c = 1.9 x 9.95
c = 18.91
c = $19.91
Error: Student wrote the percent incorrectly.
Answer:
percent is 0.09
c = 0.09 x 9.95
c = 0.89 or 0.90
c = $10.85
Keri is making doll clothes for a holiday craft show. The wholesale cost of the materials for one outfit is $9.38. If she sells an outfit for $15, what is the percent of markup?
60%