document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168819>Question 1168819</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Stanley practices his running, swimming and biking every day. During these practices he runs at 9 mph,  bikes at 16 mph and swims at 2.5 mph. Yesterday he ran for half an hour longer than he swam, and his biking time was twice his running time. How long did Stanley run, swim, and bike yesterday if the total distance he covered was 64 miles?  <BR>\n" );
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document.write( "What was the total distance Stanley covered during practices in terms of t?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793668 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=793668\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Stanley practices his running, swimming and biking every day.<BR>\n" );
document.write( " During these practices he runs at 9 mph, bikes at 16 mph and swims at 2.5 mph.<BR>\n" );
document.write( "let t = time he ran<BR>\n" );
document.write( " Yesterday he ran for half an hour longer than he swam,<BR>\n" );
document.write( "t -.5 = time he swam<BR>\n" );
document.write( " and his biking time was twice his running time.<BR>\n" );
document.write( "2t = biking time<BR>\n" );
document.write( " How long did Stanley run, swim, and bike yesterday if the total distance he covered was 64 miles?<BR>\n" );
document.write( "9t + 2.5(t-.5) + 16(2t) = 64<BR>\n" );
document.write( "9t + 2.5t - 1.25 + 32t = 64<BR>\n" );
document.write( "43.5t = 64 + 1.25<BR>\n" );
document.write( "t = 65.25/43.5<BR>\n" );
document.write( "t = 1.5 hrs running<BR>\n" );
document.write( "then<BR>\n" );
document.write( "1.5-.5 = 1 hr swimming<BR>\n" );
document.write( "and<BR>\n" );
document.write( "2(1.5) = 3 hrs biking<BR>\n" );
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document.write( "Find the dist of each event<BR>\n" );
document.write( "1.5(9) = 13.5 mi running<BR>\n" );
document.write( "1(2.5) = 2.5 mi swimming<BR>\n" );
document.write( "3(16) = 48 mi biking<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "total: 64 mi\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );