document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=858953>Question 858953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A quarterback throws a pass that travels 40 yards with the wind in 2.5 seconds. If he had thrown the same pass against the wind, the football would have traveled 20 yards in 1.7 seconds. Find the speed of a pass that the quarterback would throw if there was no wind.\r<BR>\n" );
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document.write( "I know speed=distance traveled/time of travel so I did:<BR>\n" );
document.write( "40/2.5=16.5<BR>\n" );
document.write( "20/1.7=11.8<BR>\n" );
document.write( "16.5-11.8=4.2 for the speed of the wind but i'm not sure how to find the distance traveled with no wind. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #517448 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=517448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let speed with no wind be x <BR>\n" );
document.write( "and speed of wind be y\r<BR>\n" );
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document.write( "40/2.5=16.5<BR>\n" );
document.write( "x+y=16.5<BR>\n" );
document.write( "20/1.7=11.8<BR>\n" );
document.write( "x-y=11.8\r<BR>\n" );
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document.write( "add the equations\r<BR>\n" );
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document.write( "2x=28.3 <BR>\n" );
document.write( "x= 14.15 yards/s -speed in still air\r<BR>\n" );
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document.write( "speed of wind = 16.5-14.15 = 2.35yards/s </SPAN>\n" );
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