document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=626454>Question 626454</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane flew 3.5 hours with a 60 mph headwind. The return trip with the same speed took 2.5 hours. Find speed of the plane in still air. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #394171 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=394171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  An airplane flew 3.5 hours with a 60 mph headwind. The return trip with the same speed took 2.5 hours. Find speed of the plane in still air.<BR>\n" );
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document.write( "Against-wind DATA:<BR>\n" );
document.write( "time = 3.5 hrs ; rate = p - 60 mph ; distance = r*t = 3.5(p-60) miles<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "With-wind DATA:<BR>\n" );
document.write( "time = 2.5 hrs ; rate = p+60 mph ; distance = r*t = 2.5(p+60) miles<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "distance = distance<BR>\n" );
document.write( "3.5p - 195 = 2.5p + 150 <BR>\n" );
document.write( "p = 345 mph (speed of the plane in still air)<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );