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Math
  Author: Rathimani
   
 

1. A 1998 Nissan Altima GXE is advertised for $17,990 with a down payment of $1,500. How much must be financed?
    Ans: Total Car Cost : $17990.00 ¡K¡K¡K¡K¡K.. (1)
            Down Payment : $1500.00 ¡K¡K¡K¡K¡K¡K (2)
            Amount to Finance : $16490.00 ¡K¡K¡K¡K¡K¡K (1) ¡V (2)

2. Auto Zone has a special on fuel filters. Normally, the price of one filter is $15, but with this sale, you can purchase two filters for only $27. How much     can you save by purchasing two filters at the sale price?
    Ans: Price of one filter : $15.00¡K¡K¡K¡K¡K.. (1)
            Price of 2 filters (regular) [ 2 x $15.00] : $30.00 ¡K¡K¡K¡K¡K.. (2)
            Price of 2 filters (sale) : $27.00¡K¡K¡K¡K¡K.. (3)
            Savings : $3.00¡K¡K¡K¡K¡K.. (2) ¡V (3)

3. If sugar costs $2.87 for 80 ounces, what is the cost per ounce, rounded to the nearest cent?
   Ans: Sugar Cost (for 80 ounces) : $2.87 ¡K¡K¡K¡K¡K.. (1)
           Sugar Cost (for 80 ounces): 287 cents...¡K¡K¡K.. (2)
           Cost per ounce : 4 cents ¡K¡K¡K¡K¡K (3) [ (2) / 80 = 3.5875 ~ 4 ]

4. If a picture frame costs $30 and the tax on the frame is 6% of the cost, how much is the tax on the picture frame?
   Ans: Cost of the Frame : $30.00 ¡K¡K¡K¡K¡K.. (1)
           Tax percentage : 6.0% ¡K¡K¡K¡K¡K... (2) [6.0 / 100]
           Tax on Frame : $1.8 ¡K¡K¡K¡K¡K¡K (1) x (2)

5. A personal computer costs $4000 and a postscript printer costs $1500. What is the total cost of the equipment?
   Ans: Cost of PC : $4000.00 ¡K¡K¡K¡K¡K.. (1)
           Cost of printer : $1500.00 ¡K¡K¡K¡K¡K.. (2)
           Total cost : $5500.00 ¡K¡K¡K¡K¡K¡K (1) + (2)

6. A purse that sells for $68.99 is reduced by $25.50. What is the price of the purse after the reduction?
    Ans: Original cost of Purchase : $68.99 ¡K¡K¡K¡K¡K (1)
            Price Reduction : $25.50 ¡K¡K¡K¡K¡K (2)
            Price after Reduction : $43.49 ¡K¡K¡K¡K¡K¡K (1) - (2)

7. Mack Construction Co. was billed for plasterboard installation. If the job required 3,852 square feet of plasterboard and cost $2,435.76, what was the     cost per square foot?
    Ans:Total Cost for the Job : $2435.76 ¡K¡K.. (1)
           Total Square foot : 3852 sq.ft. ¡K.. (2)
           Cost per square foot : $0.63 ¡K¡K¡K¡K (1) / (2) [rounded off to the nearest cent]

8.Brian Gripka decides to establish a budget. He will spend $450 for rent, $325 for food, $320 for child care, $182 for transportation, $150 for other    expenses, and he will put the remainder in savings. If his take-home pay is $1620, find his savings.
   Ans:Rent : $450.00 ¡K¡K.. (1)
          Food : $325.00 ¡K¡K.. (2)
          Child care : $320.00 ¡K¡K.. (3)
          Transportation : $182.00 ¡K¡K.. (4)
          Others : $150.00 ¡K¡K.. (5)
          Total Expenses : $1427.00 ¡K¡K.. (6) [ (1) + (2) + (3) + (4) + (5) ]
          Take Home Pay : $1620.00 ¡K¡K.. (7)
          Savings : $193.00 ...¡K¡K.. (7) ¡V (6)

9. Play-It-Now Sports Center has decided to divide 2/3 of the company's profit sharing funds evenly among the eight store managers. What fraction of the     total amount will each receive?
    Ans:Total share for managers : (2/3) ¡K¡K.. (1)
           Total number of managers : 8¡K¡K¡K¡K. (2)
           Share for each manager : 1/12¡K¡K... (1) / (2)

10. Solve for r: 4(r-2) = 2(r+8).
     Ans:4(r-2) = 2(r+8)
           „Ã 4r-8 = 2r+16
           „Ã 4r-2r = 16+8
           „Ã 2r = 24
           „Ã r = 24/2
           „Ã r = 12

11. Use the formula to find the value of the variable that is not given: I = PRT; I = $2880, R = 0.08, P = $12,000.
      Ans:I = PRT
            „Ã 2880 = 12000 * 0.08 * T
            „Ã 2880 = 960 * T
            „Ã 2880 / 960 = T
            „Ã T = 3

12. From a sample of 80 new home buyers, 24 were first-time home buyers. There were 2480 new homes sold in the county. Find the number of first-time       home buyers.
      Ans: Number of Sample new home buyers : 80 ¡K¡K.. (1)
              Number of sample first-time buyers : 24 ¡K¡K.. (2)
              Fraction of sample first-time buyers : 0.3¡K¡K.. (3)
              Number of actual new home buyers : 2480¡K.. (4)
              Number of actual first-time buyers : 744¡K¡K.. (4) * (3)

13. 375 patients is what percent of 250 patients?
     Ans:Formula: Rate (R) = Portion (P) / Base (B) * 100 % ¡K¡K.. (1)
            P = 375; B = 250
           „Ã R = 375 / 250 * 100 %
           „Ã R = 187.5%

14. As an antique dealer, Clarence Hanks charges a 25% selling fee. After deducting this fee, Hanks recently paid out $12,570 to his sellers. Find the      total amount of his sales.
     Ans:Total Sales Amount (T) = Seller Fee (F) + Amount to Seller (S) ¡K¡K.. (1)
             F = 25% of T; S = 12570
            „Ã T = 25% of T + $12570
            „Ã T = (25/100) * T + $12570
            „Ã T = 0.25 T + $12570
            „Ã T ¡V (0.25 T) = $12570
            „Ã 0.75 T = $12570
            „Ã T = $16760

   
 

Source: http://www.oppapers.com/essays/Math/82690