Percent of Change 2.1
Find the percent of increase from 8 feet to 10 feet.
25%
Find the total cost to the nearest cent. $18 breakfast; 7% tax.
$19.26
Find the total cost to the nearest cent. $20 haircut; 10% tip
$22.00
Mrs. Hollern works in a jewelry store and earns an 8.5% commission on every piece of jewelry she sells. How much commission would she earn for selling a necklace that costs $4,600?
$391.00
A mayor estimates that 4,000 people will attend the first day of the county fair. A total of 8,400 people actually attend the first day of the fair. What is the percent error of the mayor’s estimate
52.4%
Find the percent of decrease from 62 trees to 31 trees.
50%
Find the total cost to the nearest cent. $24 shirt; 6% tax
$25.44
Find the total cost to the nearest cent. $185 TV; 5% markup
$194.25
Chase wants to earn at least $900 this month in commission. What is the minimum amount he needs to sell in order to earn $900 if he earns a 3.3% commission on everything he sells? Round to the nearest dollar.
$27,273.00
A mayor estimates that 4,000 people will attend the first day of the county fair. A total of 8,400 people actually attend the first day of the fair. What is the percent error of the mayor’s estimate?
52.4%
Find the percent of increase from 15 miles to 18 miles.
20%
Jack wants to buy a coat that costs $74.95. The sales tax rate in his city is 6.12%. What is the total cost for the coat?
$79.82
The wholesale cost of a bicycle is $98.75. The markup for the bicycle is 33.3%. Find the selling price of the bicycle to the nearest cent.
$131.63
Fill in the blank question.
Raymond purchases concert tickets online for $43.50. There is a 3% processing fee. What is the total cost of the tickets?
$44.81
Maya estimates that the wait time for her favorite roller coaster is 35 minutes. The actual wait time is 55.5 minutes. What is the percent error of Maya’s estimate?
36.9%
Find the percent of decrease from $60 to $48.
20%
Find the simple interest earned, to the nearest cent, for the principal, interest rate, and time. $530, 6%, 1 year
$31.80
Find the sale price to the nearest cent. $140 coat; 10% discount
$126.00
Mai bought some party supplies from an online store. For shipping, the shop charges a flat fee of $7.95 or 6.25% of the total purchase, whichever is greater. Suppose Mai's total purchase is $128. How much shipping will she pay?
$8.00
A jar of marbles should contain 100 marbles. The jar actually has 99 marbles. What is the percent error?
1.01%
When Ricardo was 9 years old, he was 56 inches tall. Ricardo is now 12 years old and he is 62 inches tall. Find the percent of increase in Ricardo's height.
10.7%
Liliya’s parents borrow $1,400 from the bank for a new washer and dryer. The interest rate is 7.5% per year. How much simple interest will they pay if they take 18 months to repay the loan?
$157.50
A toy store is having a sale. A video game system has an original price of $99. It is on sale for 40% off the original price. Find the sale price of the game system.
$59.40
Calculate the commission earned. Sales amount: $1,200. Commission rate: 5%
$60.00
A school newspaper estimates that their academic team will win 25 out of 30 matches for the season. After 15 matches, they have won 12. If the team continues winning at this rate, what will be the percent error of the newspaper’s estimate once the season is over?
4%