Module 5: Extra Practice 1. Eric sold call phones for $70. Eric increases his sale price by 100%. What is the sales price of the cell phone? 2. Celina bought her hand bag for $90. The purse increased in value by 50%. What is the sales price of the hand bag now? 3. Christa buys an alarm clock for $45. The store increases their purchase price by 150%. What is the sales price of the alarm clock? 4. A painting is on sale at 50% off. The sale price is $320. What was the original price? 5. Fred buys a video game disk for $4. There was a discount of 20%.What is the sales price? 6. A boat is marked up 20% on the original price. The original price was $50. What is the sale price of the boat before sales tax? 7. A football is selling for 35% off the original price. The original price was $60. What is the sale price of the football? 8. Timmy wants to buy a scooter and the price was $50. When he goes to the store a second time, he found that price was marked down by 20%. What is the new price? 9. Andrew paid $10 for a burger. The burgers went on sale and there was a discount of 20%. What was the sale price of the burgers? 10. Emily buys a toaster during the sale for 10% off. If Ellen pays $36, what was the original price? 11. Zack has an old car. He wants to sell it for 60% off the current price. The market price is $500. How much money would he receive in exchange for the car if he were able to sell it at that rate? 12. Drew bought a chemistry book for $30. Later that book was marked down by 20%. By how much has the value been decreased? 13. What is the original price if there is a 10% discount and the sale price is $76.50? 14. At a leather shop, 50 leather jackets were sold in February. The shop keeper at the store wants to encourage the sales team to sell more leather jackets by giving all the sales team members a bonus if the number of leather jackets sold increases by 30% in March. How many leather jackets must the sales team sell in March to receive the bonus? 15. Daniel paid $22 for a water bottle. This amount includes 5% tax. What was the cost of the item before tax? 16. Mrs. Noah’s bill, before tax, is $50. The sales tax rate is 3%. Mrs. Noah decides to leave a 2% tip for the gate keeper based on the pre-tax amount. How much will the total bill be, including tax and tip? 17. A driver set a goal to earn $2,000 in March. He receives a base salary of $1,000 per month as well as a 20% commission for all sales in that month. What does his total sales have to be this month to reach his goal? 18. Sophia purchases a cell phone for $25. This amount includes a tax of 6%. What was the cost of the item before tax?

19. At a toy shop, 45 toys were sold in September. A bonus will be given to workers if they can increase sales by 40% in October. How many toys must the sales team sell in October to receive the bonus? 20. A clothing salesman wants to earn $6,000 in March. He receives a base salary of $4,000 per month as well as a 10% commission for all sales in that month. How much merchandise will he have to sell to earn the amount of money he wants? 21. Lilly paid $19.16 for a 1kg apple basket. This amount includes a tax of 3%. What was the cost of the apple before tax? 22. Mr. Paul pays the parking bill before tax at a cost of $33.20. The parking tax rate is 2%. Mr. Paul decides to leave a 5% tip for the parking guard based on the pre-tax amount. How much will the total bill be? 23. Mr. Smith paid $36.36 for a carpet. This amount includes a tax of 10%. What was the cost of the carpet before tax? 24. At a certain bakery shop, 30 cakes were sold in July. The manager at the store wants to encourage the sales team to sell more cakes by giving all the sales team members a bonus if the number of cakes sold increases by 20% in August. 25. How many cakes must the sales team sell in August to receive the bonus? 26. Richard deposited $5,500 for 6 years on 2.40% interest rate in his saving account. How much simple interest will he earn? 27. Andrew borrows $79,500 for 5 months on 6.30% interest rate in his saving account. Calculate the simple interest. 28. Nelson lands $4,650 on 2% interest rate. He plans to pay this after 2 months. What will that total principal + interest payment be? 29. Diana takes a loan of $10,000 on 3% interest rate. She plans to pay the loan off after 2 years. Calculate the simple interest. 30. Kelly borrows $5,200 on 4% interest rate for 6 months. What will Kelly have to repay? 31. John wants to open a showroom for that he borrows $48,000 on 12% interest rate. He plans to pay this after 4 years. What will John have to repay?