document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=704816>Question 704816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me!!!! \r<BR>\n" );
document.write( "\n" );
document.write( "A store is selling two different types of cheese. One type sells for $3.75 a pound and a second type sells for $4.55 a pound. How many pounds of the $3.75 cheese would the store need to mix together with the $4.55 cheese to get a 45-pound block mixture that sells for $4.05 a pound? <BR>\n" );
document.write( " <BR>\n" );
document.write( "Thank you so much! :D<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 #434283 by </B><A HREF=/tutors/aboutme.mpl?userid=Stitch><B>Stitch(470)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Stitch><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=434283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A = pounds of cheese that costs $3.75/pound<BR>\n" );
document.write( "Let B = pounds of cheese that costs $4.55/pound<BR>\n" );
document.write( "Equation 1:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+%2B+B+=+45 ALIGN=MIDDLE  ALT=\"A+%2B+B+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" > (A 45 pound block of mixed cheese)<BR>\n" );
document.write( "Equation 2:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.75%2AA+%2B+4.55%2AB%29%2F%28A%2BB%29+=+4.05 ALIGN=MIDDLE  ALT=\"%283.75%2AA+%2B+4.55%2AB%29%2F%28A%2BB%29+=+4.05\"   DISABLED_style= \"max-width:90%; height:auto;\" > (The cost per pound of the mixed cheese block)<BR>\n" );
document.write( "------------------------------------------<BR>\n" );
document.write( "Solve Equation 1 for one of the variables.<BR>\n" );
document.write( "Equation 1:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+%2B+B+=+45 ALIGN=MIDDLE  ALT=\"A+%2B+B+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+45+-+B ALIGN=MIDDLE  ALT=\"A+=+45+-+B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now plug (45 - B) into Equation 2 for A<BR>\n" );
document.write( "Equation 2:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.75%2AA+%2B+4.55%2AB%29%2F%28A%2BB%29+=+4.05 ALIGN=MIDDLE  ALT=\"%283.75%2AA+%2B+4.55%2AB%29%2F%28A%2BB%29+=+4.05\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.75%2A%2845+-+B%29+%2B+4.55%2AB%29%2F%28%2845+-+B%29%2B+B%29+=+4.05 ALIGN=MIDDLE  ALT=\"%283.75%2A%2845+-+B%29+%2B+4.55%2AB%29%2F%28%2845+-+B%29%2B+B%29+=+4.05\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply the 3.75 trough and simplify the equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28168.75+-+3.75B+%2B+4.55B%29%2F%2845%29+=+4.05 ALIGN=MIDDLE  ALT=\"%28168.75+-+3.75B+%2B+4.55B%29%2F%2845%29+=+4.05\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 45<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=168.75+-+3.75B+%2B+4.55B+=+182.25 ALIGN=MIDDLE  ALT=\"168.75+-+3.75B+%2B+4.55B+=+182.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=168.75+%2B+0.8B+=+182.25 ALIGN=MIDDLE  ALT=\"168.75+%2B+0.8B+=+182.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract 168.75 from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8B+=+13.5 ALIGN=MIDDLE  ALT=\"0.8B+=+13.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide both sides by 0.8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28B+=+16.875%29 ALIGN=MIDDLE  ALT=\"highlight%28B+=+16.875%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now plug 16.875 into equation 1 for B<BR>\n" );
document.write( "Equation 1:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+%2B+B+=+45 ALIGN=MIDDLE  ALT=\"A+%2B+B+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+%2B+%2816.875%29+=+45 ALIGN=MIDDLE  ALT=\"A+%2B+%2816.875%29+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28A+=+28.125%29 ALIGN=MIDDLE  ALT=\"highlight_green%28A+=+28.125%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );