document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392506>Question 392506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i am really no good at word problems please help\r<BR>\n" );
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document.write( "elena bicycles 7 km/h faster than carlos. in the same time it takes carlos to bicycle 45 km, elena can bicycle 66 km. how fast does each bicyclist travel\r<BR>\n" );
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document.write( "thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278651 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278651\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> elena bicycles 7 km/h faster than carlos. in the same time it takes carlos to bicycle 45 km, elena can bicycle 66 km. how fast does each bicyclist travel\r<BR>\n" );
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document.write( "Carlos speed = x mph<BR>\n" );
document.write( "elena  speed = x+7 mph<BR>\n" );
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document.write( "Carlos ---- distance = 45 km<BR>\n" );
document.write( "elena ----- distance = 66 km<BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=time+=+distance+%2F+speed ALIGN=MIDDLE  ALT=\"time+=+distance+%2F+speed\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The time taken is the same by both<BR>\n" );
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document.write( "time elena = time carlos<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2Fx+=+66%2F%28x%2B7%29 ALIGN=MIDDLE  ALT=\"45%2Fx+=+66%2F%28x%2B7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply<BR>\n" );
document.write( "45(x+7)=66x<BR>\n" );
document.write( "45x+315=66x<BR>\n" );
document.write( "66x-45x=315<BR>\n" );
document.write( "21x=315<BR>\n" );
document.write( "/21<BR>\n" );
document.write( "x=315/21<BR>\n" );
document.write( "x=15 kmph ------- speed of Carlos<BR>\n" );
document.write( "x+7 = 15+7 = 22 kmph ------- speed of elena<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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