Show:
Percent of Increase
Percent of Decrease
Percent of Error
Discount
Markup
100
From 45 ft to 92 ft
What is 104%
100
From 83 hours to 76 hours 8% decrease
What is 8%
100
Samantha S. Sloppiness measured the volume of her soda before she drank it for her mid-morning snack. She measured the volume of the 12 oz. bottle to be 14 oz. What is her percent of error? Round to the nearest percent.
What is 17%
100
Dog leash: $3.49 Discount Rate: 25% How much was the discount?
What is $0.87
100
DVD: $25 Tax: 8% How much is the tax?
What is $2
200
From 74 hours to 85 hours
What is 15%
200
You estimate that a baby pig weighs 20 pounds. The actual weight of the baby pig is 16 pounds. Find the percent of error.
What is 25%
200
Leather jacket: $236.25 Discount Rate: 15% Selling Price: ?
What is $200.81
200
Shoes: $48 Tax: 9% What is the selling price?
What is $52.32
300
From 36 inches to 90 inches
What is 150% increase
300
Identify the percent of change as an increase or decrease. Then find the percent of change. Round to the nearest percent if necessary: 300 miles to 210 miles
What is 30%
300
You estimate that your friend is 50 inches tall. The actual height of your friend is 54 inches. Find the percent of error.
What is 7.4%
300
Gourmet cheeseburger: $7.99 Discount Rate: 12% What is the selling price?
What is $7.03
300
Find the selling price: Cost to store: $5.50 Mark-up: 15%
What is $6.33
400
Jen was 4 feet tall on her 10th birthday and was 4 ft 6 inches tall on her 11th birthday. What was the percent of increase in Jen’s height from her 10th birthday to her 11th birthday
What is 12.5%
400
The number of students in a class dropped from 36 to 27. What was the percent decrease?
What is 25%
400
Henry Heavyfoot was just arrested for speeding by Officer O'Rourke for traveling 65 mph in a 55 mph zone. Henry claimed his speedometer said 55 mph not 65 mph. What was his percent error? Round to the nearest whole percent.
What is 18%
400
Sale Price: $27.84 Discount: 42% What is the original price?
What is $48
400
Tickets for the Super Bowl usually are sold secondhand for a mark-up of at least 240%, if the tickets were originally $235, how much would they cost after the mark-up?
What is $799
500
Forty students are in the science club. Of those, 45 % are girls. This percent increases to 56% after new girls join the club. How many new girls join?
What is 4 girls
500
As soon as a new car is purchased and driven away from the dealership, it begins to lose its value, or depreciate. Alonso bought a 2014 Plymouth Neon for $9559. One year later, the value of the car was $8500. What was the percent of decrease of the value of the car?
What is 11%
500
You estimate that there are 66 cars in a parking lot. The actual number of cars is 75. Find the percent error.
What is 14.7%
500
Music Systems, Inc. allows a 10% discount if a purchase is paid for within 30 days. An additional 5% discount is given if the purchase is paid for within 15 days. Brent Goodson buys a sound system that originally cost $360. If he pays the entire amount at the time of purchase, how much does he pay for his system after the successive discounts?
What is $307.80
500
The markup of a pair of Jeans was $8.50, if the jeans cost $47.00 after the mark-up, how much did the mark-up cost and what was the percent? Round to the nearest percent.
What is 22%