document.write( "Question 1098908: How long does it take to fill a 4000 l pool at a rate of 20l/minute. The pool springs a leak after 20 minutes at 2 L/minute. How long from the start to fill the pool? \n" ); document.write( "

Algebra.Com's Answer #713296 by ikleyn(52784) $\"\"$ $\"About$

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document.write( "20 minutes to fill 29*20 = 400 liters,\r\n" );
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document.write( "and then  additional   =  = 200 minutes\r\n" );
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document.write( "to fill the remaining  4000-400 = 3600 liters at the rate of (20-2) = 18 liters per minute.\r\n" );
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document.write( "In total, 220 minutes, or 3 hour 40 minutes.\r\n" );
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