document.write( "Question 283900: if bob has a hose and a swimming pool it takes 3 hours to fill the pool and it takes 5 hours to empty it with the drain open. If bob leaves the drain open and the hose on how long will it take to fill the pool? \n" ); document.write( "
Algebra.Com's Answer #206045 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
This belongs under rate of work, painting and pool filling.
\n" ); document.write( "Look for some example in that category. There have been several in the last few days.
\n" ); document.write( "You can see now why it is important to use the right category.
\n" ); document.write( "I will set it up since John's way is much too complicated.
\n" ); document.write( "x/3-x/5=1
\n" ); document.write( "5x-3x=15
\n" ); document.write( "2x=15
\n" ); document.write( "x=7.5 hours\r
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