In Problems 25-32, use formula (1) for simple interest to find each of the indicated quantities. 25. P = $300; r = 7%; t = 2 years; I = ? In Problems 33-40, use formula (2) for the amount to find each the indicated quantities. 33. P= $4,500; r = 10%; t = 1 quarter; A = ? 34. P = $3,000; r = 4.5%; t = 30 days; A = ? $910; r = 16%; t = 13 weeks; P = ? 35. A = 36. A = $6,608; r 24%; t = 3 quarters; P = ? 37. A = $14,560; P = $13,000; t = 4 months; r = ? 38. A = $22,135; P = $19,000; t = 39 weeks; r = ? 39. A = $736; P = $640; r = 15%; t = ? =