41. 10 is what percent of 50? (a) 10% (b) 20% (c) 500% (d) 0.2% (e) 0.020% 42. Simplify: 13 - 2/5 (a) 51/35 (b) 35/51 (c) 11/2 (d) 26/35 (e) - 26/51 43. Let x be the number of apples and y be the number of oranges. Which statement best represents "The total number of apples and oranges is 75?" (a) y + x = 75 (b) 75-x=y (c) 75-y=x (d) x + y = 75 44. Let s be the number of students and p be the number of professors. Which statements best represents the statement "There are at least four times as many students as professors?" (a) s = 4p (b) s > 4p (c) s 4p (d) s 4p (e) s + p = 4 45. Solve: 7k+ 8 = -4(3-k), for k. (a) - 3/20 (b) - 2013 (c) 20/2 (d) 3/20 (e) - 103 46. Solve: (5)x+(1/16)x = (1/16) + x, for x. (a) 5/11 (b) 76/16 (c) 11/5 (d) - 5/11 (e) - 115 47. Write 2 () (2p+ 1), for p. (a) p> (b) p > 2/3 (c) p-23 (d) p3 (e) p < -