document.write( "Question 824989: Pipes p & q can fill a tank in 20 minutes & 25 minutes respectively.Both were opened simultaneously.After 4 minutes,p was closed.Find the time taken from then to fill the tank(in minutes).
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Algebra.Com's Answer #496943 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Another one a bit like this I answered a little while ago. Would that (actually, THOSE) help you to analyze this one and solve it yourself?\r
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\n" ); document.write( "\n" ); document.write( "#825010 and #825011.
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