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SOLVING EQUATIONS AND APPLICATIONS (GRADED)
1.1.Solve each of the following equations for the unknown variable.
2.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)
3.2.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?
4.3.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?