document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007089>Question 1007089</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Charmaine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Charmaine $5.75 per pound, and type B coffee costs $4.65 per pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of $451.50<BR>\n" );
document.write( ". How many pounds of type A coffee were used? <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623081 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=623081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Easiest using two variables.<BR>\n" );
document.write( "a for type A<BR>\n" );
document.write( "b for type B<BR>\n" );
document.write( "Part of the description says symbolically <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%2Fa=2 ALIGN=MIDDLE  ALT=\"b%2Fa=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Total blend quantity was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Bb ALIGN=MIDDLE  ALT=\"a%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > but the value for this quantity of blend not given.  Information is given to account for cost of the blend.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5.75a%2B4.65b=451.50 ALIGN=MIDDLE  ALT=\"5.75a%2B4.65b=451.50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Question asks, find the value of a.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=2a ALIGN=MIDDLE  ALT=\"b=2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "substitute into cost equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5.75a%2B4.65%282a%29=451.5 ALIGN=MIDDLE  ALT=\"5.75a%2B4.65%282a%29=451.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You do the rest.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a=30 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );