A,B,C together can do a work in 12 days. A alone can do the work in 45 days and B alone can do the same work in 55 days. Find in what time C alone can do that work?	Choices
A) 28.80days	B) 17days	C) 23.29days	D) 30days	E) 33.20days
The required answer is = 12*45*55 / 45*55-12(45+55)   = 29700/1275 = 23.29days   Answer is 23.29days
<result>C</result>
A,B,C together can do a work in 12 days. A alone can do the work in 45 days and B alone can do the same work in 55 days. Find in what time C alone can do that work?