document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=745429>Question 745429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I forgot how to do this please help:<BR>\n" );
document.write( "a drug contains 2 types of ingredients, compound A and compound B. for every 5 Milliliters of compund A there is 3 milliliters of compound B. the chemist wants to make 664 milliliters of the drug, how much of compound A is needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453845 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=453845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Volumes of compound A and B assign to x and y.\r<BR>\n" );
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document.write( "Description with those variable assignments renders <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fy=5%2F3 ALIGN=MIDDLE  ALT=\"x%2Fy=5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=664 ALIGN=MIDDLE  ALT=\"x%2By=664\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Just solve the system for x and y.  \r<BR>\n" );
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document.write( "The question asks specifically, how much of compound A, assigned to variable x.  You can solve one of the equations for y and substitute this into the other equation and solve for x.  That will be your solution for x.  \r<BR>\n" );
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document.write( "How about this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=664 ALIGN=MIDDLE  ALT=\"x%2By=664\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=664-x ALIGN=MIDDLE  ALT=\"y=664-x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fy=5%2F3 ALIGN=MIDDLE  ALT=\"x%2Fy=5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5y%2F3 ALIGN=MIDDLE  ALT=\"x=5y%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5%28664-x%29%2F3 ALIGN=MIDDLE  ALT=\"x=5%28664-x%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > according to the substitution for y<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%285%2A664-5%2Ax%29%2F3 ALIGN=MIDDLE  ALT=\"x=%285%2A664-5%2Ax%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Ax=5%2A664-5%2Ax ALIGN=MIDDLE  ALT=\"3%2Ax=5%2A664-5%2Ax\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B5x=5%2A664 ALIGN=MIDDLE  ALT=\"3x%2B5x=5%2A664\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x=5%2A664 ALIGN=MIDDLE  ALT=\"8x=5%2A664\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5%2A83 ALIGN=MIDDLE  ALT=\"x=5%2A83\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=415%29 ALIGN=MIDDLE  ALT=\"highlight%28x=415%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, milliliters of compound A </SPAN>\n" );
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