Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?  Choose the correct choice from the following
A) 3 days B) 3.5 days C) 4.5 days D) 5.5 days E) 2.5 days
14/ (2 * 2)= 
<gadget id="calculator">14/ (2 * 2)</gadget>
<output>7/2 = around 3.5</output>
3.5 days   ANSWER:3.5 days
<result>B</result>
Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?