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? Choose the correct choice from the following choices
A) 15  B) 10  C) 20  D) 18  E) 12
1/6 â€“ 1/15 = 1/10 =&gt; 10   ANSWER 10
<result>B</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?