document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70886>Question 70886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A police cruiser on a highway chase passes Luther in his pickup truck. The Policeman drives 18 MPH faster that Luther. In the same time that Luther drives 10 miles the policeman drives 13 miles. What is the speed of the police cruiser? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #50618 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=50618\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A police cruiser on a highway chase passes Luther in his pickup truck. The Policeman drives 18 MPH faster that Luther. In the same time that Luther drives 10 miles the policeman drives 13 miles. What is the speed of the police cruiser?<BR>\n" );
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document.write( "Let x = L's speed<BR>\n" );
document.write( "(x + 18) = cop's speed<BR>\n" );
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document.write( "Times involved are equal so make a time equation from that. Time = dist/speed<BR>\n" );
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document.write( "L's time = Cops time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2Fx ALIGN=MIDDLE  ALT=\"10%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F%28%28x%2B18%29%29 ALIGN=MIDDLE  ALT=\"13%2F%28%28x%2B18%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cross multiply and you have:<BR>\n" );
document.write( "13x = 10(x+18)<BR>\n" );
document.write( "13x = 10x + 180<BR>\n" );
document.write( "13x - 10x = 180<BR>\n" );
document.write( "3x = 180<BR>\n" );
document.write( "x = 180/3<BR>\n" );
document.write( "x = 60 mph is L's speed, of course then cop's speed is 78 mph<BR>\n" );
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document.write( "Check our solution using time:<BR>\n" );
document.write( "10/60 = 13/78<BR>\n" );
document.write( ".167 = .167 hr </SPAN>\n" );
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