130-unknown-06fa02-v1 - MATH 130 Name Exam 2 = Problem 1...

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Unformatted text preview: MATH 130 Name: Exam 2 = Problem 1. The retail price of an item is $68. (a) What was the wholesale price if the store’s markup is 70%? (b) How much is the store’s profit if the sweater is sold at 30% discount? (0) What is the largest discount the store can offer to break even? Problem 2. (a) Construct the addition table in base six. (b) Construct the multiplication table in base six. Problem 3. Calculate in base six: (at) , 245 353 + 543 (b) 2524 - 532 Problem 4. Calculate in base six: (21) 245 x53 (b) 52|2524 Problem 5. Make the conversiOns: (a) = ten 543mm = sits 2 Problem 6. Illustrate with a diagram the multiplication E x 5 Problem 7. The ratio of boys to girls in a class is five to six. After two boys are added and one girl is transferred to another class, the‘new class has the same number of boys and girls. How many boys and girls are in the new class? Explain your reasoning. Problem 8. Joe went on a six hour trip. He averaged 70 mph the first two ' hours and 60 mph the rest of the time. What was his average speed for the trip? Problem 9. How much 10% solution and how much 60% solution must be mixed to get 6 gallons of 50% solution? Problem 10. A bowl contains red and White balls in two sizes. There are v 20% more red balls than white balls. One third of the red balls are small ' and 40% of the white balls are small. - (a) What is the ratio of red balls to White balls? (b) What is the ratio of big red balls to small red balls? (0) What is the ratio of big balls to Small balls? ...
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