document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=119444>Question 119444</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0153155167/algebrahomeworkh>california edition</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A group of goats and ducks have a total of 99 heads and legs among them, there are twice as many ducks as there are goats. How many are there of each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87500 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=87500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A group of goats and ducks have a total of 99 heads and legs among them, there are twice as many ducks as there are goats. How many are there of each?<BR>\n" );
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document.write( "Let \"g\" be # of goats; Let \"d\" be # of ducks<BR>\n" );
document.write( "EQUATIONS:.<BR>\n" );
document.write( "d= 2g<BR>\n" );
document.write( "(g+d)+(4g+2d)=99<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "d=2g<BR>\n" );
document.write( "5g+3d = 99<BR>\n" );
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document.write( "Substitute to solve for \"g\":<BR>\n" );
document.write( "5g+3(2g)=99<BR>\n" );
document.write( "11g =99<BR>\n" );
document.write( "g = 9 (# of goats)<BR>\n" );
document.write( "d=2*9 = 18 (# of ducks)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "San H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );