15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?	Choices:
A) 30	B) 20	C) 19	D) 29	E) 39
Let 1Man does 1unit/hr of work   15M in 21 days of 8hrs will do (15*21*8) units   3W = 2M   1W=(2/3)units/hr   21W with 6hrs a day will take   (15*21*8)/(21*6*(2/3))= 
<gadget id="calculator">  (15*21*8)/(21*6*(2/3))</gadget>
<output>30</output>
&gt; 30 Days   30NSWER:30
<result>A</result>
15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?