Which of the following is closest to (20!-19!)/(20!+19!)?  Choose the correct choice from the following choices:	A) 1.25	B) 0.9	C) 2.1	D) 0.3	E) 1.69
(20!-19!)/(20!+19!)   19! (20-1)/19! (20+1)   19/21 = 0.9   0.9 is the answer
<result>B</result>
Which of the following is closest to (20!-19!)/(20!+19!)?