A is twice as good workman as B, and together they complete a work in 12 days. In how many days can the work be complete by B alone?	Choose the most appropriate option: A) 36 days B) 65 days C) 45 days D) 75 days E) 95 days
B=336 days   36 days   36 days
<result>A</result>
A is twice as good workman as B, and together they complete a work in 12 days. In how many days can the work be complete by B alone?