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Problems 1 – 5 Problems 6 – 10 Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $400 Q $200 Q $500 Q $300 Q $400 Website Problems 11 – 14 Problems 15 – 17

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$100 Question 1. Three students conduct the same survey about the number of 16 year old students who have a car are shown below. In which person ’ s survey did the most people have a car ? a)Sara reported that 14 of the 47 people she surveyed had a car. b)Erika reported that 29% of the people she surveyed had a car. c)Lucy reported that 0.299 of the people she surveyed had a car.

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$100 Answer Lucy had the most

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$200 Question If a girl making $18 an hour gets a 15% raise, what is her new salary?

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$200 Answer $20.70

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$300 Question Which of the following is not equivalent to a 110% increase of $152? Explain. a)152 +152+152(.10) b)1.10(152) c)2(152) +.10(152) d)2.10(152)

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$300 Answer b.Because it doesn’t represent the whole amount, just the increase.

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$400 Question Which of the following is not equivalent to a 20% discount on an item that costs $35? Explain. a)35(1 –.8) b).2(35) c).8(35) d)35 –.8(35)

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$400 Answer c.Because that is the price you pay for the item, not the discount.

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$500 Question Jackets Unlimited buys jackets for $125.50. The store increases their purchase price by 55%? What is the sale price of the jacket?

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$500 Answer $194.53

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$100 Question Gas prices are projected to increase by 115% by March 2015. A gallon of gas currently costs $3.29. What is the projected cost of a gallon of gas for March 2015?

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$100 Answer $3.78

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$200 Question A car dealer pays $13,237 for a new Mazda Miata but marks it up 15%. How much does the car cost a customer? How much profit does the car dealer make?

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$200 Answer The car costs $15,222.55 The profit is $1,985.55

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$300 Question A sweater is marked down 35% off the original price. The original price was $33.93. What is the sale price of the sweater before sales tax?

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$300 Answer $22.05

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$400 Question A shirt is on sale for 40% off. The sale price is $19.50. What was the original price? What was the amount of the discount?

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$400 Answer Original price $32.50 Discount $13.00

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$500 Question After eating at a restaurant, Mr. Herman’s bill before tax is $27.50 The sales tax rate is 6%. Mr. Herman decides to leave an 15% tip for the waiter based on the pre-tax amount. How much is the tip Mr. Herman leaves for the waiter? How much will the total bill be including tax and tip?

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$500 Answer Tip $4.13 Total bill including tax and tip $33.28

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$100 Question A salesperson set a goal to earn $4,500 in May. She receives a base salary of $800 per month as well as a 12% commission for all sales in that month. How much merchandise will she have to sell to meet her goal?

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$100 Answer $30,833.33

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$200 Question A salesperson receives a 19% commission of $29.30 on a sale of a vacuum cleaner. What is the total cost the customer paid for the vacuum cleaner?

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$200 Answer $154.21

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$300 Question Josie paid $34.75 for a pair of earrings. This amount includes a tax of 7%. What was the cost of the item before tax?

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$300 Answer $32.48

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$400 Question Anna invested $1,525 for 24 months. At the end of the 24 months, her investment was worth $1,750. What was the rate of simple interest that she received?

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$400 Answer 7.4%

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$500 Question

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$500 Answer

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$100 Question

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$100 Answer

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$200 Question Carol borrowed $18,750 from the bank to buy a car. She borrowed the money for 5 years at a rate of 6.5%. What is the total amount that Carol has to pay the bank back?

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$200 Answer $24,843.75

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$300 Question Tina needs to purchase a carpet for her kitchen. Tina measured the area as 18.5 ft 2. The actual measurement is 17.28 ft 2. What is Tina’s percent error?

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$300 Answer +7%

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$400 Question At a track meet, you time a friend running 100 m in 18.25 seconds. The officials time her at 19.34 seconds. What is your percent error?

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$400 Answer -5.6%

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$500 Question

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$500 Answer from Scale Drawings

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Final Jeopardy

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Final Jeopardy Answer

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