document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=774000>Question 774000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distance between Station A and Station B is 30 miles. A truck starts from A towards B. A bird starts at the same time from B straight towards the moving truck. On reaching the truck, it instantaneously turns back and returns to B. The bird makes these journeys from B to the truck and back to B continuously till the truck reaches B. The bird finally returns to B and rests. Calculate the total distance in miles the bird travels if:\r<BR>\n" );
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document.write( "The bird flies at 20 miles per hour and the speed of the truck is 30 miles per hour. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #472014 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=472014\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The distance between Station A and Station B is 30 miles.<BR>\n" );
document.write( " A truck starts from A towards B. A bird starts at the same time from B straight towards the moving truck.<BR>\n" );
document.write( " On reaching the truck, it instantaneously turns back and returns to B.<BR>\n" );
document.write( " The bird makes these journeys from B to the truck and back to B continuously till the truck reaches B.<BR>\n" );
document.write( " The bird finally returns to B and rests.<BR>\n" );
document.write( " Calculate the total distance in miles the bird travels if:<BR>\n" );
document.write( "The bird flies at 20 miles per hour and the speed of the truck is 30 miles per hour.<BR>\n" );
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document.write( "The bird flies slower than the speed of the truck. When it flies from B to the<BR>\n" );
document.write( "truck, it falls behind the truck, it never again lands on the truck, therefore:<BR>\n" );
document.write( "let t = travel time for the bird and the truck to meet<BR>\n" );
document.write( "30t + 20t = 30<BR>\n" );
document.write( "50t = 30<BR>\n" );
document.write( "t = 30/50<BR>\n" );
document.write( "t = .6 hrs<BR>\n" );
document.write( "the birds travels .6(20) = 12 miles<BR>\n" );
document.write( "return to B is 12 miles so the bird travels 24 miles, the truck is long gone </SPAN>\n" );
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