document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=292118>Question 292118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pump can fill a gasoline tank in 9 hours. With a second pump working simutaneously the tank can be filled in 5 hours. How long would it take the second pump to fill the tank operating alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211113 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One pump can fill a gasoline tank in 9 hours.<BR>\n" );
document.write( " With a second pump working simutaneously the tank can be filled in 5 hours.<BR>\n" );
document.write( " How long would it take the second pump to fill the tank operating alone?<BR>\n" );
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document.write( "Let x = 2nd pump time working alone<BR>\n" );
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document.write( "Let the completed job (full tank) = 1<BR>\n" );
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document.write( "A typical shared work equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F9 ALIGN=MIDDLE  ALT=\"5%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2Fx ALIGN=MIDDLE  ALT=\"5%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "multiply equation by 9x, results<BR>\n" );
document.write( "5x + 9(5) = 9x<BR>\n" );
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document.write( "5x + 45 = 9x<BR>\n" );
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document.write( "45 = 9x - 5x<BR>\n" );
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document.write( "45 = 4x<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2F4 ALIGN=MIDDLE  ALT=\"45%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 11.25 hrs, 2nd pump by itself<BR>\n" );
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document.write( "Check solution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F9 ALIGN=MIDDLE  ALT=\"5%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F11.25 ALIGN=MIDDLE  ALT=\"5%2F11.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<BR>\n" );
document.write( ".56 + .44 = 1 \r<BR>\n" );
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document.write( " </SPAN>\n" );
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