Exam 2: Math: Math Tricks

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Olivia has $5,000 to invest. She invests in a fund at 4% interest. How long will it take for her money to double?

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A man buys a piece of land at auction which is 256 feet by 10 yards. How many acres did he buy? There are 43,560 feet in an acre.

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A video store is offering a 7% discount on previously viewed videos. If the regular price of a video is $9.99, how much will the discount be?

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3/5 of workers at a company have enrolled in the 403(b) program. If 24 workers have enrolled in the program, how many workers are employed at this company?

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Dottie's Chocolates produces boxes of 25 chocolate drops for selling. How many chocolate drops would Dottie need to make to fill 60 boxes?

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What is 3/8?

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Shane's Softball Production Company can produce 12 softballs in an hour. How many softballs can they produce in 14 hours?

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Lance's bike team has 11 riders. They will each bike 83 miles in the race. How many miles will they bike?

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How long will it take for Ron's $37,353 investment to double if he expects 9% returns?

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Andrew invested $960 in a new mutual fund. The shares in this fund were purchased at $6.00 each. How many shares did he buy?

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The population of the town of Homeville increased by approximately 0.5% last year. If the population at the beginning of the year was 2,460, what was the approximate population by the end of the year?

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Company A and Company B are awarded a $42,000 project that is to be divided between the companies in the ratio of 4:3. How much money should each company receive?

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Brian is opening a small sporting goods store. After considering her market, she sets her initial sales goal at $32,000 a month. He knows that the rent for his store should be about 8% of sales. Approximately what should he plan to pay for rent, based on the sales figure given?

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Sawyer's Pet Store has averaged a net profit of $2,500 for the past 11 weeks. What is the total net profit over this length of time?

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When formulating answers to market-sizing questions, what's one of the best strategies to keep in mind?

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Roger buys a 35 x 35 foot lot to source rocks for his pet rock project. How many square feet did he buy?

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A department store sells sweaters for $90. During a promotion, the sweaters are marked down 15%. What is the sale price of the sweaters?

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Betty invested $10,000 at the beginning of the year. At the end of the year, her investment was worth $12,000. Ronnie also invested in the same fund. At the beginning of the year, he invested $15,000. How much will his investment be worth at the end of the year?

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In initial production of a new video game, it is discovered that the ratio of functional games to defective games is 20 to 1. If 360 games are produced, how many could be expected to be defective?

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If the speed of a car is 200 km per hour, how may minutes does it take to travel 60 km?

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