document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118168>Question 1118168</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two families are traveling by car to a camp 280km away. One family leaves 20 minutes ahead of the other family and travels at an average of 40 km/h. Waht would the speed of the second family’s car need to be if the family is to reach the camp at the same time as the first family? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733430 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=733430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two families are traveling by car to a camp 280km away.<BR>\n" );
document.write( " One family leaves 20 minutes ahead of the other family and travels at an average of 40 km/h.<BR>\n" );
document.write( " What would the speed of the second family’s car need to be if the family is to reach the camp at the same time as the first family? <BR>\n" );
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document.write( "find the time it takes the 1st family to travel 280 km at 40km/h<BR>\n" );
document.write( "280/40 = 7hrs<BR>\n" );
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document.write( "let s = speed of the 2nd car to arrive in 7 hrs - 20 min or 6<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "s * 6<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 280<BR>\n" );
document.write( "s * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F3 ALIGN=MIDDLE  ALT=\"20%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 280<BR>\n" );
document.write( "multiply equation by 3<BR>\n" );
document.write( "20s = 3 * 280<BR>\n" );
document.write( "20s = 840<BR>\n" );
document.write( "s = 840/20<BR>\n" );
document.write( "s = 42 km/h will make arrive at the same time<BR>\n" );
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document.write( "Check: 42 * 6.667 = 280.0 </SPAN>\n" );
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