document.write( "Question 22889: A water tank can be filled in 5 minutes and emptied in 7 minutes. If the drain is accidently left open when the tank is being filled, how long does it take to fill the tank?
\n" ); document.write( "A. 17.5 min
\n" ); document.write( "B. 24 Min
\n" ); document.write( "C. 10 min
\n" ); document.write( "D. 2 min
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Algebra.Com's Answer #11284 by Paul(988)\"\" \"About 
You can put this solution on YOUR website!
\"1%2F5-1%2F7\"
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\n" ); document.write( "\"2%2F35\"
\n" ); document.write( "\"35%2F2\"
\n" ); document.write( "17.5
\n" ); document.write( "Hence, it would take 17.5 minutes to fill the tank.
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