document.write( "Question 157307: One pipe can fill a tank in 6 hours, and another pipe can fill the same tank in 8 hours. How long will it take to fill the tank if both pipes are used? \n" ); document.write( "

Algebra.Com's Answer #115946 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
In words:
\n" ); document.write( "(rate for pipe #1) + (rate for pipe #2) = combined rate
\n" ); document.write( "or
\n" ); document.write( "(1 tank / 6 hours) + (1 tank / 8 hours) = 1 tank / x hours)
\n" ); document.write( " $\"1%2F6+%2B+1%2F8+=+1%2Fx\"$
\n" ); document.write( " $\"x%2A%281%2F6+%2B+1%2F8%29+=+1\"$
\n" ); document.write( " $\"x%2A%284%2F24+%2B+3%2F24%29+=+1\"$
\n" ); document.write( " $\"x%2A%287%2F24%29+=+1\"$
\n" ); document.write( " $\"7x+=+24\"$
\n" ); document.write( " $\"x+=+3.43\"$ hrs answer \n" ); document.write( "

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