28. Simplify A. 4X 2 49y B. _ 4x2 C. 2x2 D. _2x2 29. What is the percent of decrease in one year? 2006 : 500 to 2007 : 240 A. 20% B. 52% C. 10.8% D. 48% 30. Which of the following is the correct equation to find the amount of interest generated by $22,000 at 3% compounded semiannually for 8 years? A. B = 22,000(1 + 0.30) 8 B. B = 22,000(1 + 0.15)8 C. / = 22,000 . 0.03 . 16 D. B = 22,000(1 + 0.015) 16 31. Which of the following situations represents the greatest percent of increase? A. Original: 60 New: 75 B. Original: 900 New: 1000 C. Original: 140 New: 200 D. Original: 30 New: 60 32. Which of the following represents 25 as a percent? 10 A. 4% B. 40% C. 10% D. 25%