Percent Error
Zack expected to earn $425 in a week at his new job but his first check was $500. What was the percentage error?
What is 15%?
Original price is $45.12. There was a 4% decrease. What is the new price?
$43.32
Car sold for $25,999
Commission rate: 3.5%
Commission?
What is $909.97?
Find the simple interest paid
Principal $300 rate 6% time 4 years
$72
Spent: $32.25
Tax: 7%
Total cost including tax?
$34.51 total
Makyrah estimated that the repairs to her car would cost $80. In fact they cost $120.
What was the percentage error?
What is 33.3%?
Price is $33.75. Markup is 75%. What is the markup?
$25.31
House sold for $250,000
Commission rate: 7%
Commission?
What is $17,500?
An initial deposit of 5,000.00 dollars is made into a savings account pays 7.1% interest annually. How much is in the account at the end of 5 years?
$6775
Tip: 18%
Total Spent including tip?
$15.33 total including tip
The basketball team won 25 games this year. The local newspaper erroneously reported that they won 28 games this year. What was the percentage error by the newspaper?
What is 12%?
An item's price changes from $328 to $333. What is the percent of change? Is it an increase or a decrease?
What is 2% INCREASE.
Jewelry sold for: $50,000
Commission rate: 2.5%
Commission?
What is $1250?
A principal of $750 becomes a total of $1320 in 8 years. What rate of
interest was being paid?
9.5%
Spent: $25.99 & $14.59
Tax: 6.5%
Cost including tax?
$43.22 total including tax
The Caldwell Family hosted a large Christmas party for the neighborhood. They expected 260 people to show up but 325 people showed up instead. Calculate the percentage error.
What is 20%?
The railroad tracks went from being 4359 feet long to being 5377 feet long. What is the percent of change? Is it an increase or a decrease?
What is 23% INCREASE.
Make: $7/hour & worked 8 hours
Commission: 4% of $30,000 in sales
Total made?
What is $1256?
How long will it take a principal of $350 to earn $56 interest at 8% per year?
2 years
Tip: $25%
Cost including tip?
$24.21 including tip
Jacoby uses his thermometer and finds the boiling point of ethyl alcohol to be 85o Celsius. He looks in a reference book and finds that the actual boiling point of ethyl alcohol is 95oC. What is his percentage error?
What is 10.52%?
An airline is downsizing their routes. The daily mileage is going from 2150 miles per day to 7895 miles per day. What is the percent of change? Is it an increase or a decrease?
What is 267% INCREASE
Make: $10/hour and works for 8 hours a day
Commission: 3.5% on sales of $2500 for the week
Total made in a 5 day week?
What is $487.50?
What is the invested amount if Janet invested for 11 years at 6% and earned $330 in interest.
$500
Spent: $299.99 for gaming system & $899.99 for a TV
Tax: 6.5%
Tax?
$78