document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=994672>Question 994672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in order to control certain type of diseases,it is necessary to use 23 litres of chemical A and 34 litres of chemical B.The dealer can order commercial spray,I each container which hold 5 litres of chemical A and 2 litres of chemical B and commercial spray II,each container which hold 2 litres of chemical A and 7 litres of chemical B.How many container of each type of commercial spray should be used to get the exact proportion of chemical needed ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #613699 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=613699\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> VARIABLES<BR>\n" );
document.write( "x, count of sprayer I<BR>\n" );
document.write( "y, count of sprayer II\r<BR>\n" );
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document.write( "ACCOUNT FOR CHEMICAL VOLUMES OF A and B<BR>\n" );
document.write( "A:<BR>\n" );
document.write( "5x+2y=23<BR>\n" );
document.write( "B:<BR>\n" );
document.write( "2x+7y=34\r<BR>\n" );
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document.write( "Solve the system of the two equations for x and y. </SPAN>\n" );
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