document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=718447>Question 718447</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If I travel 1900 km in 7 hours and I drove at 60km per hour and then flew at 700km per our, how many hours did I fly and how far did I travel by car? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #440944 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=440944\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If I travel 1900 km in 7 hours and I drove at 60km per hour and then flew at 700km per our, how many hours did I fly and how far did I travel by car?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=time traveled by car<BR>\n" );
document.write( "7-x =time traveled by plane<BR>\n" );
document.write( "distance=speed*travel time<BR>\n" );
document.write( "..<BR>\n" );
document.write( "60x+700(7-x)=1900<BR>\n" );
document.write( "60x+4900-700x=1900<BR>\n" );
document.write( "640x=3000<BR>\n" );
document.write( "x=4.6875<BR>\n" );
document.write( "7-x=2.3125<BR>\n" );
document.write( "time traveled by car&#8776;4.7 hrs<BR>\n" );
document.write( "time traveled by plane&#8776;2.3 hrs </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );