document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252632>Question 252632</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A pump can empty a tank 4 times as fast as the other. If both pumps are working, they can complete the job in 3 hours. Find the rate of each pump.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184652 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=184652\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pump can empty a tank 4 times as fast as the other.<BR>\n" );
document.write( " If both pumps are working, they can complete the job in 3 hours.<BR>\n" );
document.write( " Find the rate of each pump.<BR>\n" );
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document.write( "Let t = time required by the fast pump alone<BR>\n" );
document.write( "then<BR>\n" );
document.write( "4t = time required by the slow pump<BR>\n" );
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document.write( "Let the completed job = 1<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Ft ALIGN=MIDDLE  ALT=\"3%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F%284t%29 ALIGN=MIDDLE  ALT=\"3%2F%284t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "Multiply by 4t, results<BR>\n" );
document.write( "4(3) + 3 = 4t<BR>\n" );
document.write( "12 + 3 = 4t<BR>\n" );
document.write( "4t = 15 hrs, the time of the slow pump<BR>\n" );
document.write( "and<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F4 ALIGN=MIDDLE  ALT=\"15%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 3.75 hrs, the time of the fast pump<BR>\n" );
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document.write( "Check solution<BR>\n" );
document.write( "3/3.75 + 3/15 = <BR>\n" );
document.write( ".8 + .2 = 1<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );