A is twice as good a workman as B and they took 9 days together to do the work B alone can do it in.
Choose the correct choice from the following choices:  A) 17 days  B) 12 days  C) 29 days  D) 25 days  E) 27 days
WC = 2:1   2x + x = 1/9   x = 1/27 =&gt; 27 days   ANSW27 daysR:27 days
<result>E</result>
A is twice as good a workman as B and they took 9 days together to do the work B alone can do it in.