Percent Increases & Decreases
Expressions
Percent Error
Misc.
100
A practice field is 250 feet long. The game field is 40% longer than the practice field. How long is the game field?
The game field is 350 feet long
100
Kyra is out to dinner and the meal was m dollars. Kyra leaves a 23% tip. Write an expression to represent the amount Kyra pays after tip.
1.23m or m+0.23m
100
The percent error is 20% over the actual. If the actual value was 80, then what was the estimated value?
The actual value is 96
100
A store buys a table for $200 and sells it for $350. What percentage is the mark up?
75% mark up
It was marked up by $150 and $150 is 75% of $200
200
Noah has a coupon for 30% off at his favorite clothing store. He uses it to buy a pair of jeans for $28. What was the regular price of the jeans before Noah's coupon?
The regular price of the jeans was $40.
200
Write an expression to represent the sale price of an item that is 20% off if the regular price of the item is x dollars.
x-0.20x or 0.80x
200
double points
The percent error is 10% under the actual amount. If the actual amount is 350, what was the estimated amount?
The estimated amount is 315
200
James has a job where he earns commission on his sales. If she sells a car for $25,000 and he earns 3.5% commission, how much commission does he earn?
$875 in commission
300
If the regular price for a hoodie is $27, but it's 25% off, what is the sale price of the hoodie?
The sale price of the hoodie is $20.25.
300
Gerard buys a video game for g dollars. If there's a 5.8% sales tax, write an expression to represent how much Gerard pays for the video game after tax.
1.058g or g+0.058g
300
Layla predicted her phone bill would be $75.03, but the actual cost was $82. What is the percent error?
8.5% error
300
Khalia uses a credit card to buy new sneakers that cost $130. If she doesn't pay it off by the end of the month, the credit card company will add 2.4% interest to her bill. How much will the sneakers cost her with interest?
$133.12
400
Jada's sister earns $14 per hour. The store offers her a 9% raise. After the raise, how much will Jada's sister make per hour?
$15.26 per hour
400
Maria is a salesperson that earns money on the amount she sells. She earns 5% commission and sells s dollars in merchandise. Write an expression to represent the amount of commission Maria earns.
0.05s
400
An estimated distance from the park to the school is 2.5 miles, but its actually 2.1 miles away. Find the percent error. Round to the nearest whole percent.
19% error
400
It takes Diego 1/24 of an hour to complete a lap on a circular track. The track is 1/3 mile long. What is Diego's bike speed?
A. 1/8 mile per hour
B. 1/8 hours per mile
C. 8 miles per hour
D. 8 hours per mile
C. 8 miles per hour
500
Kiran's mother gets a restaurant bill for $25. She has a coupon for 15% off. After the discount is applied, she adds a 20% tip. What is the total after the discount and tip?
$25.50
500
A restaurant's customer count increased by 12% this month. If c represents the original number of customers and the new count is 224, write an equation that will help find the original customer count.
Double points: What is the original customer count?
1.12c=224
Bonus: The original customer count was 200 people
500
Ginny estimated the cost of a gaming device for her nephew to be $250. Her estimate was 8% above the actual value. What is the actual price? Round to the nearest cent.
$231.48
500
Double Points
Clare has a recipe for yellow cake. She uses 9 1/3 cups of flour to make 4 cakes. Noah will follow the same recipe. He will make c cakes using f cups of flour. Which of these equations represent the relationship between c and f ?
C