3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 10 pumps work to empty the tank in 1 day?	Choose the correct choice from the following answers:  A) 4.8  B) 3.6  C) 1.1  D) 1.2  E) 1.3
3 pumps take 16 hrs total (8 Hrs a day)   If 1 pump will be working then, it will need   16*3= 
<gadget id="calculator">  16*3</gadget>
<output>48</output>
48 hrs   1 pump need 48 Hrs   If I contribute 10 pumps then     48/10= 
<gadget id="calculator">  48/10</gadget>
<output>24/5 = around 4.8</output>
4.8 hrs.   answer :4.8
<result>A</result>
3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 10 pumps work to empty the tank in 1 day?