document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141235>Question 141235</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need to buy $65 worth of a liquid. Can only buy 40 bottles. One bottle costs $1.80 and another costs $1.25. Need to buy the most $1.80 as possible. Need an equation. Thx.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102907 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=102907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Need to buy $65 worth of a liquid. Can only buy 40 bottles. One bottle costs $1.80 and another costs $1.25. Need to buy the most $1.80 as possible. Need an equation. <BR>\n" );
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document.write( "Let x be # of 1.80 bottles: Let y be # of 1.25 bottles.<BR>\n" );
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document.write( "Quantity Equation: x+y = 40<BR>\n" );
document.write( "Value Equation: 1.8x + 1.25y <= 65<BR>\n" );
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document.write( "x = 40-y<BR>\n" );
document.write( "1.8(40-y) + 1.25y <= 65<BR>\n" );
document.write( "72 - 0.55y = 65<BR>\n" );
document.write( "0.55y = 7<BR>\n" );
document.write( "y = 12.72 (number of 1.25 bottles: rounded down to 12 bottles<BR>\n" );
document.write( "The x = 28 when rounded up (# of $1.80 bottles)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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