1. Percent of Increase & Decrease
Economic Jeopardy
Discounts & Markups
Sales Tax & Tips
Simple Interest
Percent of Increase & Decrease
The Percent Equation
100
200
300
400

2. Discounts & Markups 100
You buy a pair of jeans that is 30% off the original price of $29. What is the sale price?
$20.30

3. Discounts & Markups 200
The wholesale price of the skateboard was $70. The markup of the skateboard is 125%. What is the new price?
$157.50

4. Discounts & Markups 300 DOUBLE
Jimmy’s bicycle helmet cost $48. What is 25% of Jimmy’s helmet?
$12
DOUBLE

5. Discounts & Markups 400
A store buys guitars from a manufacturer at a wholesale price of $38. The stores markup is 85%. What is the retail price?
$70.30

6. Sales Tax & Tips 100
Your meal costs $12. You leave a 20% tip. The sales tax is 5%. What is the total cost of the meal?
$15.00

7. Sales Tax & Tips 200
If my Snow Crab Dinner cost $25, and I gave the waitress a 15% tip. How much did I give the waitress?
$3.75

8. Sales Tax & Tips 300
State tax is 7%. At Wal-Mart, Bob’s total was $250 before tax. What was Bob’s total after tax?
$267.50

9. Sales Tax & Tips 400
You have a $20 gift card from a bookstore. You use it to buy two books for a total of $ The sales tax is 5.75%. How much is left on the gift card after the purchase?
$0.45

10. Simple Interest 100 DOUBLE
You deposit $500 into an account that earns 6% simple annual interest. What will the account’s balance be after 2 years?
$560
DOUBLE

11. Simple Interest 200
You deposit $1000 into a 3-month certificate of deposit. After 3 months the balance is $ Find the simple annual interest rate. 2%

12. Simple Interest 300
You put $750 into a certificate of deposit. Your simple annual interest rate is 4%. You receive a check for the interest at the end of each year. How long will it take to earn $150 in interest?
5 years

13. Simple Interest 400
What is the amount of money deposited or borrowed called?
Principal

14. Percent of Increase & Decrease 100
What is the percent of increase from 8 to 13?
62.5%

15. Percent of Increase & Decrease 200
What is the percent of decrease from 49 to 35?
28.6%

16. Percent of Increase & Decrease 300
A taco company puts 24 taco shells in every box. Recently the company expanded the box and put 25% more shells in each box. How many shells are in every box now?
30 shells

17. Percent of Increase & Decrease 400
Amount of increase is $25
Percent of increase is 20%
What is the original amount?
$125

18. The Percent Equation 100
What number is 20% of 110? 22

19. The Percent Equation 200
The number 117 is 45% of what number?
260

20. The Percent Equation 300
What percent of 150 is 90?
60%

21. The Percent Equation 400 DOUBLE
A clothing salesperson sells a suit for $350. The salesperson receives an 8% commission on the sale. How much is the commission?
DOUBLE
$28