document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197415>Question 1197415</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A particular hybrid car travels approximately 318 mi on 6 gallon of gas. Find the amount of gas required for a 901-mi trip. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #830684 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=830684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The solution method shown by the other tutor is valid; a student should understand how and why.  But that method is awkward and likely confusing to many students.<br><BR>\n" );
document.write( "I would treat this as a direct variation problem: the number of gallons of gas needed increases by the same factor as the number of miles:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2A%28901%2F318%29=901%2F53=17 ALIGN=MIDDLE  ALT=\"6%2A%28901%2F318%29=901%2F53=17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: 17 gallons<br><BR>\n" );
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