document.write( "Question 886669: There are three inlets P,Q & R attached with a tank. If P & Q are opened then tank is filled in 120hr & if P & Q are opened then tank is filled in 90 hr. Find the time in which P,Q & R can fill the tank, if these all are opened : \n" ); document.write( "
Algebra.Com's Answer #536077 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Doesn't make sense \n" ); document.write( "
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