document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696535>Question 696535</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Yard bird Gardening carries two kinds of fertilizer containing nitrogen and water. “Gently Green” is 5% nitrogen and “Sun Saver” is 15% nitrogen. Yard bird Gardening needs to combine the two types of solution to make 90 L of a solution that is 12% nitrogen. How much of each brand should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429102 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=429102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yard bird Gardening carries two kinds of fertilizer containing nitrogen and water. “Gently Green” is 5% nitrogen and “Sun Saver” is 15% nitrogen. Yard bird Gardening needs to combine the two types of solution to make 90 L of a solution that is 12% nitrogen. How much of each brand should be used?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "nitro + nitro = nitro<BR>\n" );
document.write( "0.05g + 0.15(90-g) = 0.12*90<BR>\n" );
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document.write( "5g + 15*90 - 15g = 12*90<BR>\n" );
document.write( "-10g = -3*90<BR>\n" );
document.write( "g = 3*9<BR>\n" );
document.write( "g = 27 L (amt. of Gently Green needed)<BR>\n" );
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document.write( "90-g = 90-27 = 63 L (amt. of Sun Saver needed)<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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