document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=279456>Question 279456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student begins to walk along a straight road at the rate of 3 km/h to the next town which is 18 km away. After 10 minutes a car picks him up and in 15 more minutes he is in town. How fast was the car traveling?\r<BR>\n" );
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document.write( "(the time is in minutes which throws me for a loop) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #203215 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=203215\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A student begins to walk along a straight road at the rate of 3 km/h to the next<BR>\n" );
document.write( " town which is 18 km away.<BR>\n" );
document.write( " After 10 minutes a car picks him up and in 15 more minutes he is in town.<BR>\n" );
document.write( " How fast was the car traveling? <BR>\n" );
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document.write( "Let's put all the times in hrs and see what we have<BR>\n" );
document.write( "10/60 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F6 ALIGN=MIDDLE  ALT=\"1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
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document.write( "15/60 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
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document.write( "Let s = the speed the car is traveling<BR>\n" );
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document.write( "Write a dist equation: dist = speed * time<BR>\n" );
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document.write( "Walk dist + ride dist = 18 km<BR>\n" );
document.write( "3*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F6 ALIGN=MIDDLE  ALT=\"1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >s = 18<BR>\n" );
document.write( "3 cancels into six so we have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >s = 18<BR>\n" );
document.write( "Multiply by 4 to get rid of the denominators; results:<BR>\n" );
document.write( "2 + s = 4(18)<BR>\n" );
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document.write( "s = 72 - 2<BR>\n" );
document.write( "s = 70 km/hr is the speed of the car<BR>\n" );
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document.write( "Check solution by finding the total dist<BR>\n" );
document.write( "3*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F6 ALIGN=MIDDLE  ALT=\"1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >(70) = <BR>\n" );
document.write( ".5 + 17.5 = 18<BR>\n" );
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document.write( "Did this straighten things out for you? </SPAN>\n" );
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