A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?
Choose the correct option:  A) 98 days  B) 21 days  C) 17 days  D) 18 days  E) 19 days
WC = 1:2   2x + x = 1/14 =&gt; x = 1/42   2x = 1/21 =&gt; 21 days   Answer:21 days
<result>B</result>
A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?