document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187755>Question 187755</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0138142262/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> In a test of a heat-seeking rocket, the target rocket is launched at 2000 ft/sec and the heat-seeking rocket is launched along the same flight path 12 seconds later at a speed of 3200 ft/sec. Find the times  t1 and t2 of flight of the rockets until the heat-seeking rocket destroys the first rocket. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140769 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=140769\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a test of a heat-seeking rocket, the target rocket is launched at 2000 ft/sec<BR>\n" );
document.write( " and the heat-seeking rocket is launched along the same flight path 12 seconds<BR>\n" );
document.write( " later at a speed of 3200 ft/sec. Find the times t1 and t2 of flight of the<BR>\n" );
document.write( " rockets until the heat-seeking rocket destroys the first rocket.<BR>\n" );
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document.write( "From the given information we can say:<BR>\n" );
document.write( "t1 = t2 + 12 (seconds)<BR>\n" );
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document.write( "When destruction occurs, both rockets will have traveled the same distance<BR>\n" );
document.write( "write a distance equation from this fact:  Dist = speed * time<BR>\n" );
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document.write( "2000(t1) = 3200(t2)<BR>\n" );
document.write( "t1 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%283200t2%29%29%2F2000 ALIGN=MIDDLE  ALT=\"%28%283200t2%29%29%2F2000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t1 = 1.6(t2)<BR>\n" );
document.write( "Substitute (t2-12) for t1; find t2<BR>\n" );
document.write( "t2 + 12 = 1.6t2<BR>\n" );
document.write( "12 = 1.6t2 - t2<BR>\n" );
document.write( "12 = .6t2<BR>\n" );
document.write( "t2 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F.6 ALIGN=MIDDLE  ALT=\"12%2F.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t2 = 20 seconds<BR>\n" );
document.write( "then<BR>\n" );
document.write( "t1 = 20 + 12 = 32 seconds<BR>\n" );
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document.write( "Check solution by ensuring they both traveled the same distance<BR>\n" );
document.write( "2000 * 32 = 64000 ft<BR>\n" );
document.write( "3200 * 20 = 64000 ft also<BR>\n" );
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