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MATH/500 MATH500 MATH 500 Week 3 Discussion
MATH 500 Week 3 Discussion: Solving Equations and Inequalities Solving Equations and Applications 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?
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26 Aug 2016
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MATH/500 MATH500 MATH 500 Week 3 Discussion
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