document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155962>Question 1155962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> With both the cold water and hot water faucets​ open, it takes 7 minutes to fill a bathtub. The cold water faucet alone takes 9 minutes to fill the tub. How long will it take to fill the tub with just the hot water​ faucet? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778654 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=778654\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bc%5D+ ALIGN=MIDDLE  ALT=\"+r%5Bc%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the rate of filling with cold water faucet alone<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bh%5D+ ALIGN=MIDDLE  ALT=\"+r%5Bh%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the rate of filling with hot water faucet alone\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bc%5D+%2B+r%5Bh%5D+=+1%2F7+ ALIGN=MIDDLE  ALT=\"+r%5Bc%5D+%2B+r%5Bh%5D+=+1%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Note that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F7+ ALIGN=MIDDLE  ALT=\"+1%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is ( 1 tub full ) / ( 7 min )\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bc%5D+=+1%2F9 ALIGN=MIDDLE  ALT=\"+r%5Bc%5D+=+1%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F9+%2B+r%5Bh%5D+=+1%2F7+ ALIGN=MIDDLE  ALT=\"+1%2F9+%2B+r%5Bh%5D+=+1%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bh%5D+=+1%2F7+-+1%2F9+ ALIGN=MIDDLE  ALT=\"+r%5Bh%5D+=+1%2F7+-+1%2F9+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bh%5D+=+9%2F63+-+7%2F63+ ALIGN=MIDDLE  ALT=\"+r%5Bh%5D+=+9%2F63+-+7%2F63+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bh%5D+=+2%2F63+ ALIGN=MIDDLE  ALT=\"+r%5Bh%5D+=+2%2F63+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5Bh%5D+=+1%2F31.5+ ALIGN=MIDDLE  ALT=\"+r%5Bh%5D+=+1%2F31.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "With just the hot faucet open the tub fills in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2831.5%29 ALIGN=MIDDLE  ALT=\"highlight%2831.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > min\r<BR>\n" );
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document.write( "check:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F9+%2B+1%2F31.5+=+1%2F7+ ALIGN=MIDDLE  ALT=\"+1%2F9+%2B+1%2F31.5+=+1%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0.14285714285714285+=+0.14285714285714285+ ALIGN=MIDDLE  ALT=\"+0.14285714285714285+=+0.14285714285714285+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0.143+=+0.143+ ALIGN=MIDDLE  ALT=\"+0.143+=+0.143+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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