7 th Grade Review Sheet: Tip, Tax, Commission, Markup, Discount Name: Class: Date: Tip: 1) Your bill at a restaurant comes to $24.50. You decide to tip 16%. What is the final bill? 2) Your final bill is $51.28. This includes a 12% tip. What was the bill without tip? 3) You take a cab to Madison Square Garden. The final bill of $61.72 included an 18% tip for the driver. What was the original bill? 4) You get a haircut that cost $23. If you tip the barber 10%, what is the tip? Tax: 5) You buy a watch that costs $45.50. The tax on the watch is 7.5%. What is the final cost? 6) You buy a backpack for $34.82. The tax is 9.25%. What is the amount of tax? 7) The final cost, including tax, of buying a pair of jeans is $37.82. If the tax was 6.5%, what was the pre-tax cost of the jeans?
8) You buy a flight to California for $305.72. The tax is 7.65%. What is the final cost of the ticket? Commission: 9) For every car you sell, you get a 6% commission. If your total sales for the month are $125,650. What is your commission? 10) You get a $400 base salary for your job selling toasters. You also get a 2% commission on all your sales. If your take home pay for the month is $756. What are your total sales? 11) You receive an 11% commission on all the sales you make. If your commission for the month is $512.50, what was your total sales? 12) You get a 3% commission on all sales. This month, you made a sale of $45,050 and a sale of $6,785.25. What is your commission for the month? Markup: 13) If the wholesale price of an item is $250 and the markup is 20%, find the retail price of the item. 14) If the wholesale price of a pair of shoes is $32.25, and the markup is 105%, find the retail price of the item.
15) If the retail price of an item is $65, and the markup is 50%, find the wholesale price. Discount: 16) A laptop costs $899. How much will it cost if the store is offering a sale of 24% off? 17) A bike is being sold for 78% of its original price of $85.50. What is the discounted price? 18) After a discount of 35%, you pay $35.71 for a video game. What was the original price of the game? Mix: 19) You want to buy Mets tickets that cost $357.25. Because the Mets stink, they offer two discounts. The first is for 25% off. The second is a discount of 14% off the discounted price. What is the final cost? 20) You buy a gallon of milk that costs $3.50. The milk is discounted for 10% off. You also have to pay tax of 6.25% on the discounted price. What is the final cost? 21) You go to a restaurant and order $137.61 worth of food. You decide to tip the waiter 18%. You also have to pay a tax of 6.5% on the original bill. What is the final cost of the meal?
Percent Change: 22) Bob originally owns 15 dogs. He adopts 2 more. Patrick originally owns 2 dogs, and adopts 15 more. First, guess who will have the larger percent change Bob or Patrick. Then confirm your guess by calculating the percent error for each. 23) In 2014, there had been a total of 6 Star Wars movies. By the end of 2016, there will have been a total of 8 Star Wars movies. Calculate the percent change. Percent Error: 24) Jupiter has 67 moons. Asked to guess, Fred said there were 27 moons. Calculate the percent error of Fred s guess. 25) Ron guesses that Andy is 25 years old and Leslie is 38 years old. Andy is actually 30 years old and Leslie is actually 43 years old. Without solving, figure out which of Ron s guesses had a higher percent error. Then calculate both percent errors to confirm your answer. Is/Of or Part/Whole: 26) What number is 600% of 20? 27) 6.25% of what number is 12?
28) What percent of 45 is 36? 29) Bob has a budget of $400 to spend on food. He spends $300 of his budget on cool ranch doritos. What percent of his budget did he spend on cool ranch doritos? How much money does he have left from his budget after purchasing the chips? What percent of his budget does this represent? Multiple Choice Practice: 30) Your bill at a restaurant comes to $24.50. You decide to tip 16%. Which represents the waiter s tip? a) $3.92 b) 28.42 c) $4.16 d) $27.22 31) Your bill at a restaurant comes to $24.50. You decide to tip 16%. Which represents the final bill? a) $3.92 b) 28.42 c) $4.16 d) $27.22 32) How do questions 30 and 31 illustrate a mistake you might make on your test? Vocabulary: Describe the definitions of the following words as precisely as you can: Commission Proportion Discount Gratuity/Tip Markup Wholesale Price Retail Price