Three machines operating independently, simultaneously, and at the same constant rate can fill a certain production order in 44 hours. If one additional machine were used under the same operating conditions, in how manyfewerhours of simultaneous operation could the production order be fulfilled?
Pick: A) 6 B) 9 C) 12 D) 11 E) 48
If 3 Machines can do the work in 44 hr then 4 Machines can do the work in   3/4*44= 
<gadget id="calculator">  3/4*44</gadget>
<output>33</output>
33 Hrs. hence time saved will be 11hr   option 11 is the correct answer
<result>D</result>
Three machines operating independently, simultaneously, and at the same constant rate can fill a certain production order in 44 hours. If one additional machine were used under the same operating conditions, in how manyfewerhours of simultaneous operation could the production order be fulfilled?