document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=983111>Question 983111</A>: <I><SPAN STYLE=\"word-break: break-all;\"> bills coffee shop makes a blend that is a mixture of two types of coffee.  Type a coffee costs bill $5.70 per pound and type b coffee costs $4.65 per pound.  This month bill made 181 pounds of the blend, for a total cost of $943.50.  How many pounds of type A coffee did he use?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #603927 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=603927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> bills coffee shop makes a blend that is a mixture of two types of coffee. Type a coffee costs bill $5.70 per pound and type b coffee costs $4.65 per pound. This month bill made 181 pounds of the blend, for a total cost of $943.50. How many pounds of type A coffee did he use?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "value + value = value<BR>\n" );
document.write( "5.7a + 4.65b = 943.50<BR>\n" );
document.write( "a + b = 181<BR>\n" );
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document.write( "Substitute for \"b\" and solve for \"a\"::<BR>\n" );
document.write( "5.7a + 4.65(181-a) = 943.50<BR>\n" );
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document.write( "5.7a + 841.65 - 4.65a = 943.50<BR>\n" );
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document.write( "101.85/1.05 = a<BR>\n" );
document.write( "a = 97 lbs (amt. of A used in the blend)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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