Percent Increase
Percent Decrease
Finding Percentage
Percent Error
Tax and Tip
100

Jeff had $2,000 in the bank with an interest rate of 2.5% each year. How much money will be in his account after one year?

$2,050

100

Billy Bob Joe is having a birthday dinner at Chick-Fil-A. He has a coupon for 10% off and his meal costs $22. What will his total be after the coupon?

$19.80

100

There are 26 warriors in the Riverclan. If there 50 members in the Riverclan, what percentage of the Riverclan are warriors?

52%

100

A field is 50 feet in length and you measure and get 54 feet. What is the percent error for your measurement?

8%

100

Sergio bought a gucci belt from Gucci for $450. There is a 7% tax rate where he lives. How much will he pay for the belt after tax?

$481.50

200

A car dealership marks up the wholesale price of a car by 34%. If the wholesale price of the car is $15,000, what is the retail price?

$20,100

200

Wally has a 30% off coupon for a shoe store. The shoes he buys are $196 regularly. How much will the shoes cost after the discount?

$137.20

200

Joe bought $20 worth of food and paid $1.80 in tax. What is the tax rate?

9%

200

Joe measured the length of Costco to be 95 feet. The actual length was 100 feet. What is the percent error of Joe's measurement?

5%

200

Bob left a 20% tip on a meal that was $32. How much will the total meal cast with the tip?

$38.40

300

A boat dealer sold a boat for $18,250. If their commission rate is 4%, how much money did they make?

$730

300

A t-shirt costs $17. You use a 10% off coupon. What does the t-shirt cost after using the coupon?

$15.30

300

Mason bought a car for $15,000. The sales person's commission was $450. What percentage of the sale price is their commission?

3%

300

The label on a bag of grapes says there is a 3% error in the number of grapes in a bag. The bag says there are 68 grapes. What is the range of the possible number of grapes in the bag?

(66-70) grapes

300

Billy went to a restaurant and spent $94. He decides to leave a 30% tip. What is his total after the tip? 

$122.20

400

Alan earns $14 per hour. His company offers him a raise- a 7.5% increase per hour. After the raise, how much will Alan make per hour?

$15.05
400
Gary is at the music store where they are having a 20% off sale. If he buys a guitar for $32, what was the original price before the sale?

$40

400

The bill for a meal is $40 and the customer left $47.50. What percentage of the bill was the tip?

18.75%

400

Jenna measures her sunflower to be 7.5 inches. If the sunflower is 8 inches tall, what is the percent error for her measurement?

6.25%

400

Karen's total bill was $40. The states tax rate is 6.8%. How much will the bill be after tax?

$42.72

500

A bakery keeps $10 and the person who sold it keeps $2.50. If the price of the pie increases by 10%, how much will the pie cost in total?

$13.75

500

Georgia went to the grocery store and spent $88. She had a coupon for 26% off. How much will the food cost after the discount?

$65.12

500

It rained 15 inches in November and 57 inches in December. By what percentage did the rain increase from November?

280%

500

Greg is measuring the weight of his obese cat, Cheeto. The scale says he is 50 pounds and the scale may have up to a 3.5% error. What is the range of values his cat actually might weigh?

(48.25-51.75) pounds

500

Brianna went to dinner and the subtotal was $30. The tax rate is 5%. She wants to leave a 20% tip on the subtotal as well. What will the total bill be after tax and tip?

$37.50 ($6 for tip, $1.50 for tax)

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