document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=880310>Question 880310</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At first an athlete jogs at 10 miles per hour and then jogs at 8 miles per hour, traveling 10.2 miles in 1.2 hours. How long did the athlete jog at each speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #531385 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=531385\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At first an athlete jogs at 10 miles per hour and then jogs at 8 miles per hour, traveling 10.2 miles in 1.2 hours. How long did the athlete jog at each speed?<BR>\n" );
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document.write( "let x=travel time jogging at 10 mph<BR>\n" );
document.write( "1.2-x=travel time jogging at 8 mph<BR>\n" );
document.write( "distance=speed*travel time<BR>\n" );
document.write( "..<BR>\n" );
document.write( "10x+8(1.2-x)=10.2<BR>\n" );
document.write( "10x+9.6-8x=10.2<BR>\n" );
document.write( "2x=0.6<BR>\n" );
document.write( "x=0.6/2=0.3<BR>\n" );
document.write( "1.2-x=0.9<BR>\n" );
document.write( "travel time jogging at 10 mph=0.3 hr<BR>\n" );
document.write( "travel time jogging at 8 mph=0.9 hr </SPAN>\n" );
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