document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=489615>Question 489615</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please answered this problem,A bullet is fired at a target and sound of its impact is heard 6 seconds later.If it travels at the rate of 660 meter per second and sound travels at the rate of 330 meter per second, how far away is the target?<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 #333709 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=333709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the target distance = x m\r<BR>\n" );
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document.write( "time for the bullet to reach the target = x/660 \r<BR>\n" );
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document.write( "time for the sound to return = x/330\r<BR>\n" );
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document.write( "Total time = 6 seconds\r<BR>\n" );
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document.write( "x/660 + x/330= 6\r<BR>\n" );
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document.write( "(2x+x)/660 = 6<BR>\n" );
document.write( "3x=6*660<BR>\n" );
document.write( "x=6*660/3<BR>\n" );
document.write( "x=6*220<BR>\n" );
document.write( "x=1320m </SPAN>\n" );
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