***Must Show ALL Work***

12.  The American Psychological Association reports that 12 out of every 100 people in Maryland are depressed. If there are 6 million people in the state, how many are depressed? Use a proportion to solve the problem.

13. Solve the given proportion.

7x+3/8 = 5/4 **(7x + 3 over 8)

14.  Joann needs to create a rectangular garden plot covering 100 square meters (100 m2). If the width of the plot is 7.5 meters, find the length of the plot correct to the nearest tenth of a meter.  

15.  Which of the following bottles of shampoo is the most economical?

32 fluid ounces for $5.69

48 fluid ounces for $7.65

62 fluid ounces for $11.99

16.  Brian digs two circular holes for fish ponds, one 3 meters in radius and the other is 6 meters in radius. How much greater in area is the larger fish pond? Use 3.14 as an approximation for π.
17.  Convert the number 357 to a percent and round your answer to the nearest tenth of a percent.

18.  Convert 56% to a fraction in lowest terms and to a decimal number.