A and B together can do a work in7 days. If A alone can do it in 14 days. In how many days can B alone do it? Choose one
A) 14
B) 10
C) 21
D) 20
E) 25
14   14   1/7 â€“ 1/14 = 1/14 =&gt; 14
<result>A</result>
A and B together can do a work in7 days. If A alone can do it in 14 days. In how many days can B alone do it?