document.write( "Question 378756: One pump can drain a pool in 7 minutes. When a second pump is also used together with the first, the pool only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? \n" ); document.write( "
Algebra.Com's Answer #269015 by user_dude2008(1862)\"\" \"About 
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1/7+1/t=1/2\r
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\n" ); document.write( "\n" ); document.write( "2t+14=7t\r
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\n" ); document.write( "\n" ); document.write( "14=7t-2t\r
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\n" ); document.write( "\n" ); document.write( "14=5t\r
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\n" ); document.write( "\n" ); document.write( "t=14/5 <---- Answer
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