document.write( "Question 466115: I have a word problem that I do not know howto set up the equation?!\r
\n" ); document.write( "\n" ); document.write( "A hot tub can be filled by one pipe in 15 minutes and by a second pipe in 10 minutes. How long will it take to fill the hot tub, if they are using both pipes?
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Algebra.Com's Answer #319452 by sofiyac(983)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F15%2Bx%2F10=1\"
\n" ); document.write( "\"10x%2F150%2B15x%2F150=1\"
\n" ); document.write( "\"%2810x%2B15x%29%2F150=1\"
\n" ); document.write( "\"25x%2F150=1\" cross multiply
\n" ); document.write( "\"25x=150\"
\n" ); document.write( "\"x=6\"
\n" ); document.write( "so it would take 6 minutes
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