document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=436290>Question 436290</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I think I picked the right area for this [?].<BR>\n" );
document.write( "I am at a loss to set this one up in formulas. <BR>\n" );
document.write( "I get the rate/minute idea but get lost setting up an equation to get the answer. <BR>\n" );
document.write( "Thank you. \r<BR>\n" );
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document.write( "A fire engine starts pumping water at 9:20 am at the rate of 800 gallons per minute. Another fire engine, pumping at the rate of 1,000 gallons per minute, starts at 9:30 am. At what time will the 2 engines have pumped the same number of gallons? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #301829 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=301829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A fire engine starts pumping water at 9:20 am at the rate of 800 gallons per minute.<BR>\n" );
document.write( " Another fire engine, pumping at the rate of 1,000 gallons per minute, starts at 9:30 am.<BR>\n" );
document.write( " At what time will the 2 engines have pumped the same number of gallons?<BR>\n" );
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document.write( "Let m = no. of minutes first fire engine pumping time<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(m-10) = pumping time of the 2nd fire engine, (started 10 min after the 1st engine)<BR>\n" );
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document.write( "2nd engine gal = 1st engine gal<BR>\n" );
document.write( "1000(m-10) = 800m<BR>\n" );
document.write( "1000m - 10000 = 800m<BR>\n" );
document.write( "1000m - 800m = 10000<BR>\n" );
document.write( "200m = 10000<BR>\n" );
document.write( "m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10000%2F200 ALIGN=MIDDLE  ALT=\"10000%2F200\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "m = 50 minutes after 1st engine starts pumping<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "9:20 + :50 = 10:10, they will have pumped the same<BR>\n" );
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document.write( "Check this by finding the actual amt for each pump, they should be equal<BR>\n" );
document.write( "50*800 = 40000<BR>\n" );
document.write( "40*1000= 40000<BR>\n" );
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