document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104359>Question 104359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion.  If the speed was the same for each portion, what was the flying time for the second part of the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76053 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=76053\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time for the second part of the trip?<BR>\n" );
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document.write( "Let t = time required for the 2nd part of the trip<BR>\n" );
document.write( "Then<BR>\n" );
document.write( "(t+1) = time required for the 1st part<BR>\n" );
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document.write( "It said the speed was the same, write a simple speed equation:<BR>\n" );
document.write( "Speed = Dist/time<BR>\n" );
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document.write( "1st part speed = 2nd part speed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=560%2F%28%28t%2B1%29%29 ALIGN=MIDDLE  ALT=\"560%2F%28%28t%2B1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=480%2Ft ALIGN=MIDDLE  ALT=\"480%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply and you have<BR>\n" );
document.write( "560t = 480(t+1)<BR>\n" );
document.write( "560t = 480t + 480<BR>\n" );
document.write( "560t - 480t = 480<BR>\n" );
document.write( "80t = 480<BR>\n" );
document.write( "t = 480/80<BR>\n" );
document.write( "t = 6 hrs for the 2nd part of the trip<BR>\n" );
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document.write( "Check solution by finding the speed of each portion of the trip; <BR>\n" );
document.write( "1st part required 7 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=560%2F7 ALIGN=MIDDLE  ALT=\"560%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 80<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=480%2F6 ALIGN=MIDDLE  ALT=\"480%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 80<BR>\n" );
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document.write( "Kind of slow for a plane, but it checks out.<BR>\n" );
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