The average of five results is 46 and that of the first four is 45. The fifth result is?  Choose the correct answer:	A) 22	B) 02	C) 78	D) 50	E) 18
5 * 46 – 4 * 45 = 50   Answer: 50
<result>D</result>
The average of five results is 46 and that of the first four is 45. The fifth result is?