document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173760>Question 173760</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are making 24 pounds of your own potting soil mix of sphagnum peat moss and coarse sand. You buy the peat moss in bags that weigh approximately 2 pounds.\r<BR>\n" );
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document.write( "a. The last time you made potting soil, you used 9 bags of sphagnum peat moss and 4 bags of coarse sand. Use this information to find the number of pounds in a bag of coarse sand.\r<BR>\n" );
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document.write( "b. Write an equation in standard form that models the possible combinations of bags of sphagnum peat moss and coarse sand you can use.\r<BR>\n" );
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document.write( "c. List three possible combinations of whole bags of sphagnum peat moss and coarse sand you can use to make the potting soil. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #128635 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=128635\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. assuming that we made a 24 pound mix last time, we know that 9 bags times 2 pounds per bag is 18 pounds of moss.  since we have 24 altogether 24-18=6 pounds left for 4 bags of sand...so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%286%2F4+=+1.5%29 ALIGN=MIDDLE  ALT=\"highlight%286%2F4+=+1.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > pounds per bag of sand<BR>\n" );
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document.write( "b.We can now writea formula  now that we know that we want a 24 pound mix and that a bag of moss is 2 pounds per bag and sand is 1.5 pounds per bag.<BR>\n" );
document.write( "let a bag of moss and bag of sand b represented as m and s respectively<BR>\n" );
document.write( "so: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%282m%2B1.5s=24%29 ALIGN=MIDDLE  ALT=\"highlight%282m%2B1.5s=24%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "c. let m = 3,5 and 7<BR>\n" );
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document.write( "m=2--->2(3)+1.5s=24--->6+1.5s=24--->1.5s=18--->s=12<BR>\n" );
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document.write( "m=5--->3(5)+1.5s=24--->15+1.5s=24-->1.5s=9---->s=18<BR>\n" );
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document.write( "m=7--->3(7)+1.5s=24--->21+1.5s=24-->1.5s=3---->s=2<BR>\n" );
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document.write( "(m,s) coordinates (2,12),(5,18),(7,2)combinations of moss and sand for potting soils </SPAN>\n" );
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