document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327005>Question 327005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to solve this problem by using the elimination method.\r<BR>\n" );
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document.write( "0.05x + 0.025y = 11<BR>\n" );
document.write( "0.15x + 0.05y = 12\r<BR>\n" );
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document.write( "Thanks :o) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234164 by </B><A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><B>AAfter Search(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><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=234164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.05x + 0.025y = 11 .... (i)<BR>\n" );
document.write( "0.15x + 0.05y = 12 ..... (ii)<BR>\n" );
document.write( "By (i) x 2, we get<BR>\n" );
document.write( "0.10x + 0.050y = 22<BR>\n" );
document.write( "Hence,\r<BR>\n" );
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document.write( "0.10x + 0.050y = 22 <BR>\n" );
document.write( "0.15x + 0.050y = 12<BR>\n" );
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document.write( "(subtracting) -0.05x = 10<BR>\n" );
document.write( "=> x = 10/(-0.05) = -200<BR>\n" );
document.write( "Putting the value of x in equation (i), we get<BR>\n" );
document.write( "0.05(-200) + 0.025y = 11<BR>\n" );
document.write( "=> -10 + 0.025y = 11<BR>\n" );
document.write( "=> 0.025y = 11 + 10 = 21<BR>\n" );
document.write( "=> y = 21/0.025 = 840 </SPAN>\n" );
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