You thought that 5 of your friends would show up for dinner, but 10 did. What is the percent error?
What is 50%
100
A computer store changed the price of a laptop. It was originally $900, but now it is $1,100. Find the percent of change.
What is a 22% increase
100
What is the sales tax when a skateboard costs $40 and has a sales tax rate of 4%?
What is $1.60
100
How much would you tip your hairdresser if your haircut costs $25 and you want to tip her 15%?
What is $3.75
200
You estimated your height to be 60 inches, but at the doctor's office, they actually measured your height to be 61.5 inches. What is the percent error?
What is 2% error.
200
Original amount: 35
New Amount: 39
What is an 11% increase
200
A belt costs $23.00. The sales tax on the belt is $1.38. What percent of sales tax were you charged?
What is 6%
200
Julie went to Bertucci's last night for dinner. Her meal costs $24.20 and she leaves a $3.63 tip. What percent tip did she leave for her waiter?
What is 15%
300
You thought you would score 12 points in your basketball game, but you ended up scoring only 9 points. What was your percent error?
What is 33%
300
Student council has 19 members, compared to the 22 they had last year.
What is a 14% decrease.
300
You are charged 6% sales tax. You purchase a new bicycle for $27. What is the total price of the bicycle including tax?
What is $28.62
300
Alex went to Cheddar's and spent $18.25. He wants to tip his waiter 25% for being so awesome. What would the total bill be?
What is $22.81.
400
After flipping a coin 20 times, you expected that you would flip heads 10 times. You actually only flipped heads 7 times. What is the percent error?
What is 43%
400
Last season, Dean scored 153 points during the basketball season. This year, he scored 147. What is his percent of change?
What is a 4% decrease.
400
You bought new sneakers for $81.12 including tax. The price before tax on the sneakers was $78. What percent of sales tax were you charged?
What is 4%
400
Michael’s bill at a restaurant was $46.32. He wants to leave a 17% tip. What will the total bill be, including tip?
What is $54.19
500
You estimated that a song would be about 4 minutes long, but it was actually 4 minutes and 15 second long. Find the percent error.
What is 6%
500
The total amount of rainfall last month was 16 inches. This month, it rained a total of 12.5 inches. What is the percent of change?
What is a 22% decrease.
500
Maggie and Laura go out to lunch at TGIFridays. The bill for their restaurant meal is $22. The sales tax is 6% and they decide to leave a 15% tip. How much does each girl pay?
What is $13.41.
500
You and five friends go to Cheesecake factory for your birthday. The total bill comes to $243. You want to tip 20% and the tax is 6%. How much does each person owe?