document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1114108>Question 1114108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A single-engine plane and a commercial jet leave an airport at 10 A.M. and head for an airport 930 mi away. The rate of the jet is four times the rate of the single engine plane. The single-engine plane arrives 5 h after the jet. Find the rate of each plane </SPAN>\n" );
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document.write( "Here is a very different way you could solve this problem....<br><BR>\n" );
document.write( "The rate of the jet is 4 times the rate of the single engine plane; since the distances are the same, the time required for the small plane is 4 times the time required for the jet.<br><BR>\n" );
document.write( "let t = time for jet<BR>\n" );
document.write( "then 4t = time for small plane<br><BR>\n" );
document.write( "The difference in flight time is 5 hours:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4t-t+=+5 ALIGN=MIDDLE  ALT=\"4t-t+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3t=5 ALIGN=MIDDLE  ALT=\"3t=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%2F3 ALIGN=MIDDLE  ALT=\"t+=+5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The jet takes 5/3 hours for the flight of 930 miles; its speed is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=930%2F%285%2F3%29+=+558 ALIGN=MIDDLE  ALT=\"930%2F%285%2F3%29+=+558\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph.<br><BR>\n" );
document.write( "The jet's speed is 4 times the small plane's speed; the speed of the small plane is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=558%2F4+=+139.5 ALIGN=MIDDLE  ALT=\"558%2F4+=+139.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph. </SPAN>\n" );
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