Which of the following is closer to (22!+21!)/(22!-21!)?  Choose one
A) 49	B) 36	C) 1	D) 16	E) 25
Notice that 22! = (22)(21!), so we can factor out 21! from top and bottom.   (22!+21!)/(22!-21!)=[21!(22+1)]/[21!(22-1)]   = (22+1)/(21-1)   = 23/21   ≈ 1   Answer: 1
<result>C</result>
Which of the following is closer to (22!+21!)/(22!-21!)?