Devry Math500 week 3 discussion
Question # 00026118
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Updated on: 09/17/2014 10:11 PM Due on: 09/30/2014
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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Solution: Devry MATh500 week 3 discussions