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Devry Math500 week 3 discussion

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Question;1. Solve each of the following equations for the unknown variable.;a) 15x + 40 = 8x - 9;b) 7y - 1 = 23 - 5y;c) 9(2x + 8) = 20 - (x + 5);d) 4(3y - 1) - 6 = 5(y + 2);2. Bob Brown bought two plots;of land for a total of $110,000. On the first plot, he made a profit of 16%. On;the second, he lost 4%. His total profit was $9600. How much did he pay for;each piece of land?;3. A major car rental firm;charges $57 a day with unlimited mileage. A discount firm offers a similar car;for $24 a day plus 22 cents per mile. How far must you drive in a day in order;for the cost to be the same at both firms?

 

Paper#60576 | Written in 18-Jul-2015

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