A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?  Select the correct option:	A) 10	B) 99	C) 77	D) 65	E) 55
1/6 – 1/15 = 1/10 =&gt; 10   10nswer: 10
<result>A</result>
A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?