document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897178>Question 897178</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two planes are 1530 mi apart and are traveling toward each other. One plane is traveling 140 mph faster than the other plane. The planes pass each other in 1.5 h. Find the speed of each plane. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544013 by </B><A HREF=/tutors/aboutme.mpl?userid=thesvw><B>thesvw(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=thesvw><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=thesvw><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=544013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if the 2 planes are coming to each other... The sum of their velocities are equal to the the velocity that both of them getting closer.\r<BR>\n" );
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document.write( "Lets think ones velocity is x. Others should be (x+140)\r<BR>\n" );
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document.write( "Their sum should be equal to the relative velocity from earth.\r<BR>\n" );
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document.write( "(2x +140) mph\r<BR>\n" );
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document.write( "So we can write it with the distance and time.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.5+=+1530%2F%282x%2B140%29 ALIGN=MIDDLE  ALT=\"1.5+=+1530%2F%282x%2B140%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+%2B+210+=+1530 ALIGN=MIDDLE  ALT=\"3x+%2B+210+=+1530\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+=+1320 ALIGN=MIDDLE  ALT=\"3x+=+1320\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+440 ALIGN=MIDDLE  ALT=\"x+=+440\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph\r<BR>\n" );
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document.write( "So it's the first planes Velocity and the others Ones is 580 mph </SPAN>\n" );
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