document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=229775>Question 229775</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem.\r<BR>\n" );
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document.write( "Elenore Morales traveled 1600 miles by commercial jet from Kansas City, Missouri, to Spokane, Washington. She then traveled an additional 500 miles on a private propeller plane from Spokane to Billings, Montana. If the speed of the jet was 4 times the speed of the propeller plane and the total time in the air was 6 hours, determine the speed of each plane.\r<BR>\n" );
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document.write( "I do not understand how to set up the equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #170273 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=170273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Morales traveled 1600 miles by commercial jet from Kansas City, Missouri, to Spokane, Washington. <BR>\n" );
document.write( "He then traveled an additional 500 miles on a private propeller plane from Spokane to Billings, Montana.<BR>\n" );
document.write( " If the speed of the jet was 4 times the speed of the propeller plane and the<BR>\n" );
document.write( " total time in the air was 6 hours, determine the speed of each plane.<BR>\n" );
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document.write( "Let s = speed of the propeller plane<BR>\n" );
document.write( "then<BR>\n" );
document.write( "4s = speed of the jet<BR>\n" );
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document.write( "Write a time equation, Time = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dist%2Fspeed ALIGN=MIDDLE  ALT=\"dist%2Fspeed\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Jet time + prop time = 6 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1600%2F%284s%29 ALIGN=MIDDLE  ALT=\"1600%2F%284s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500%2Fs ALIGN=MIDDLE  ALT=\"500%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 6 hrs <BR>\n" );
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document.write( "Multiply equation by 4s to get rid of he denominators, results:<BR>\n" );
document.write( "1600 + 4(500) = 6(4s)<BR>\n" );
document.write( "1600 + 2000 = 24s<BR>\n" );
document.write( "3600 = 24s<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3600%2F24 ALIGN=MIDDLE  ALT=\"3600%2F24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 150 mph speed of the prop<BR>\n" );
document.write( "then<BR>\n" );
document.write( "4(150) = 600 mph speed of the jet<BR>\n" );
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document.write( "Check solutions<BR>\n" );
document.write( "1600/600 = 2.67 hrs<BR>\n" );
document.write( "500/150  = 3.33 hrs<BR>\n" );
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document.write( "Total time:6 hrs<BR>\n" );
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