A and B can finish a work in 12 days while A alone can do the same work in 24 days. In how many days B alone will complete the work?  Pick.
A) 76 days	B) 48 days	C) 98 days	D) 31 days	E) 24 days
B = 1/12 – 1/24 = 1/24 =&gt; 24 days   Answer: 24 days
<result>E</result>
A and B can finish a work in 12 days while A alone can do the same work in 24 days. In how many days B alone will complete the work?