document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=745901>Question 745901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are people walking their dogs at a park. there are 19 heads and 60 feet at the park. <BR>\n" );
document.write( "           a. write out the equation for this problem use P to stand for people and d to stand for dogs. <BR>\n" );
document.write( "           b. how many people are there at the park? how many dogs are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #454060 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=454060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are people walking their dogs at a park. there are 19 heads and 60 feet at the park. <BR>\n" );
document.write( "a. write out the equation for this problem use P to stand for people and d to stand for dogs.<BR>\n" );
document.write( "Heads equation: p + d = 19<BR>\n" );
document.write( "feet equation: 2p +4d = 60<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Modify for elimination:<BR>\n" );
document.write( "p + d = 19<BR>\n" );
document.write( "p +2d = 30<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Subtract and solve for \"d\":<BR>\n" );
document.write( "d = 11 (# of dogs)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solve for \"p\":<BR>\n" );
document.write( "p + d = 19<BR>\n" );
document.write( "p + 11 = 19<BR>\n" );
document.write( "p = 8 (# of people)<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "b. how many people are there at the park? 8<BR>\n" );
document.write( " how many dogs are there? 11<BR>\n" );
document.write( "=============================<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );