Markups
Markdowns
Percent Increase
Percent Decrease
Percent Error
100

J.J. bought a sandwich for $10 and paid an additional 3% sales tax. How much did her sandwich cost in total?

$10.30

100

A $100 dollar golf club is discounted at 20% off. What is the new price of the golf club when you calculate the discount?

The new price is $80

100

What is the percent increase when you go from 20 to 32?

60%

100

You have 8 apples, then you get hungry. After eating you wind up with 6 apples. What is the percent decrease in apples?

25%

100

Estimated value: 3

Actual value: 6

Find the percent error.

50% error

200

Mr. Mednik made 25 cookies for the class. If he wants to make enough cookies for the class he needs to make an additional 10%. About how many cookies would he need to make to feed the whole class?

He would need to make about 28 cookies (or 27.5 cookies)

200

A NYC resident goes grocery shopping and has a bill of $212. She has a coupon for 15% off of her order. How much will she pay for her groceries?

$180.20

200

Mr. Wells drives his car 10 miles to work every day. He buys a new house that is now 13 miles away from his job. What is the percent increase in his daily drive to work?

30%

200

          **DOUBLE JEOPARDY**

Brody's football team scores 31 points in their first game and 17 in their second. What is the percent decrease in their total points between the two games?

          **DOUBLE JEOPARDY**

45%

200

Estimated value: 10

Actual value: 12

Find the percent error. (round to the nearest percent)

17%

300

Lorelei is out to dinner. Her bill comes out to $75, but she wants to leave a 20% tip. How much would the bill be including tip?

The bill would be $90.

300

A new pair of Jordan's are on sale online with a 5% discount for new users. How much would a $350 pair of Jordan's be after the discount?

$332.50

300

Lou has a basketball game. He scores 11 points in the first half and 17 in the second half. What is the percent increase of points between the halves? 

Round to the nearest percent.

55%

300

An avocado costs $1.32 in the winter, but in summer they only cost $0.98. What is the percent change of the price?

Round to the nearest percent.

26% decrease

300

Estimated value: 99

Actual value: 105

Find the percent error. Round to the nearest percent.

6% error

400

A new car costs $22,000, but there is a one time buyer's fee of 6% to cover additional costs. How much do you have to pay in total to purchase the car?

$23,320

400

A new MacBook costs $1100, but the Christmas sale at Best Buy says that they are 25% off. What is the sale price of the MacBook?

$825

400

Mrs. Keeling saw 87 patients last month. This month her office has seen 113 patients. What is the percent increase in patients seen? Round to nearest percent.

30%

400

A school band had 96 kids last year and then 23 of their members graduated or left the school. What is the percent decrease between the two years?

24%

400

Estimated value: 15.9

Actual value: 16.1

Find the percent error. Round to the nearest percent.

1% error

500

A new PS5 costs $599, but when you purchase it online there is a 11.5% shipping tax. What is the cost of the entire order all together? Round to the nearest cent.

$668.89

500

A store is closing and they have a massive sale of 60% off all items. If you pick things out and have a total bill of $425 before the discount, what would you pay when the discount is calculated?

$170

500

A school has 237 students in 2019. In 2020 that enrollment went up to 324. What is the percent increase in students? Round to nearest percent.

37%

500

Some guy has $125,000 in a savings account. He buys a house and makes a down payment and now has $66,000 in his savings. What was the percent decrease after buying the home?

Round to the nearest percent.

47%

500

What is the range of possible values?

Actual value: 15 ft

Percent error: 9%

Answer to the nearest hundredth of a foot.

Between 13.65 and 16.35 feet.

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