document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=936062>Question 936062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When a man is walking, his heart pumps blood at a rate 15 pints/minute greater than when he is sitting. When he i sitting, his lood makes 1/4 as many complete circulations in 10 minutes as when walking. Assuming the mans body contains 10 pints of blood, find the rate his heart pumps when he is walking. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569512 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=569512\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = blood rate (pints/minute) walking<BR>\n" );
document.write( "y = blood rate (pints/minute) sitting<BR>\n" );
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document.write( "x = y + 15<BR>\n" );
document.write( "x = 4y<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
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document.write( "x - y = 15<BR>\n" );
document.write( "x - 4y = 0<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "solution:<BR>\n" );
document.write( "x = blood rate (pints/minute) walking = 20<BR>\n" );
document.write( "y = blood rate (pints/minute) sitting = 5<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );