document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18703>Question 18703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bill Bilderback, a druggist, needs 1000 milliliters of a 10% phenobarbital solution.  He has only 5% and 25% phenobarbital solution available.  How many milliliters of each solution should he mix to obtain the desired solution?\r<BR>\n" );
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document.write( "I'm also supposed to put this in  a linear systems form, if that makes sense.  Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8960 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=8960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Bill needs to add x ml. of 5% phenobarbital solution to (1000-x) ml. of 25% phenobarbital solution to make 1,000 ml. of 10% phenobarbital solution.\r<BR>\n" );
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document.write( "After changing the percents to their decimal equivalents, write the linear equation from the problem description.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05x+%2B+0.25%281000-x%29+=+0.1%281000%29 ALIGN=MIDDLE  ALT=\"0.05x+%2B+0.25%281000-x%29+=+0.1%281000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify and solve for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05x+%2B+250+-+0.25x+=+100 ALIGN=MIDDLE  ALT=\"0.05x+%2B+250+-+0.25x+=+100\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like-terms.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.2x+%2B+250+=+100 ALIGN=MIDDLE  ALT=\"-0.2x+%2B+250+=+100\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 0.2x to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=250+=+100+%2B+0.2x ALIGN=MIDDLE  ALT=\"250+=+100+%2B+0.2x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 100 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=150+=+0.2x ALIGN=MIDDLE  ALT=\"150+=+0.2x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 0.2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+750 ALIGN=MIDDLE  ALT=\"x+=+750\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Bill will need to mix 750 ml. of 5% phenobarbital solution with (1000-750) = 250 ml. of 25% phenobarbital solution to obtain 1,000 ml. of 10% phenobarbital solution.  </SPAN>\n" );
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