document.write( "Question 714190: if a tub take 10 min to fill and it takes 12min to drain how long will it take to fill up if the drain was left open ?
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Algebra.Com's Answer #438723 by nerdybill(7384) $\"\"$ $\"About$

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if a tub take 10 min to fill and it takes 12min to drain how long will it take to fill up if the drain was left open ?
\n" ); document.write( "Let x = time (minutes) to fill
\n" ); document.write( "then
\n" ); document.write( "x(1/10 - 1/12) = 1
\n" ); document.write( "multiplying both sides by 120:
\n" ); document.write( "x(12 - 10) = 120
\n" ); document.write( "x(2) = 120
\n" ); document.write( "x = 60 minutes \n" ); document.write( "

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