document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=609549>Question 609549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello. My assignment is to come up with four essential vitamins/minerals and their recommended daily values. Also, four foods that contain each of those vitamins/minerals. Then I have to construct a linear system of equations that determines how much of each item a person would need to consume to achieve the recommended daily value of each nutrient.\r<BR>\n" );
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document.write( "For the minerals, I have: Magnesium- 400mg, Potassium-3500mg, Sodium-2400mg, and Zinc-15mg \r<BR>\n" );
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document.write( "The foods that I have chosen and calculated are:<BR>\n" );
document.write( "1.)4 oz.Chicken: calcium-17.01mg, iron-1.18mg, magnesium-32.89mg, sodium-83.91mg,potassium-290.30mg, & zinc-1.13mg)\r<BR>\n" );
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document.write( "2.) 4oz Salmon: calcium-7.94mg, iron-.62mg, mag-35.15mg,sodium-74.84mg, potassium-425.24mg, zinc-.58mg\r<BR>\n" );
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document.write( "3.)Whole wheat: calcium-18.20mg, iron-1.75mg, mag-58.24mg,sodium-9.10mg, potassium-123.76mg, zinc-1.04mg\r<BR>\n" );
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document.write( "4.)1 cup 2% Milk: calcium-292.80mg, iron-.05mg, mag-26.84mg,sodium-114.68mg, potassium-341.60mg, zinc-1.17mg\r<BR>\n" );
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document.write( "Honestly, I have no idea how to begin to create a linear equation for all of these. Hopefully someone can simplify the process for me, or give me an example of a linear equation that I can use to create one for each food </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #383788 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=383788\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "I think the trick to this one is to count 4oz chicken, 4oz salmon, some unspecified amount of whole wheat, and 1 cup milk, as \"servings.\"   Then let <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_1\"> represent the number of required servings of chicken, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_2\"> represent the number of required servings of salmon, etc.\r<BR>\n" );
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document.write( "Now, make yourself a table:\r<BR>\n" );
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document.write( "<TABLE  border=\"1\" bordercolor=\"#0000FF\"  DISABLED_style= \"background-color:#FFFFFF\" width=\"80%\" cellpadding=\"2\" cellspacing=\"2\" align=\"center\">\n" );
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document.write( "	<tr>\r\n" );
document.write( "		<TD ></TD>\r\n" );
document.write( "		<TD >Servings</TD>\r\n" );
document.write( "		<TD >Magnesium</TD>\r\n" );
document.write( "		<TD >Potassium</TD>\r\n" );
document.write( "		<TD >Sodium</TD>\r\n" );
document.write( "		<TD >Zinc</TD>\r\n" );
document.write( "	</tr>\r\n" );
document.write( "	<tr>\r\n" );
document.write( "		<TD >Chicken</TD>\r\n" );
document.write( "		<TD ><IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_1\"></TD>\r\n" );
document.write( "		<TD >32.89</TD>\r\n" );
document.write( "		<TD >290.30</TD>\r\n" );
document.write( "		<TD >83.91</TD>\r\n" );
document.write( "		<TD >1.13</TD>\r\n" );
document.write( "	</tr>\r\n" );
document.write( "	<tr>\r\n" );
document.write( "		<TD >Salmon</TD>\r\n" );
document.write( "		<TD ><IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_2\"></TD>\r\n" );
document.write( "		<TD >35.15</TD>\r\n" );
document.write( "		<TD >425.24</TD>\r\n" );
document.write( "		<TD >74.84</TD>\r\n" );
document.write( "		<TD >0.58</TD>\r\n" );
document.write( "	</tr>\r\n" );
document.write( "	<tr>\r\n" );
document.write( "		<TD >Whole Wheat</TD>\r\n" );
document.write( "		<TD ><IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_3\"></TD>\r\n" );
document.write( "		<TD >58.24</TD>\r\n" );
document.write( "		<TD >123.76</TD>\r\n" );
document.write( "		<TD >9.1</TD>\r\n" );
document.write( "		<TD >1.04</TD>\r\n" );
document.write( "	</tr>\r\n" );
document.write( "	<tr>\r\n" );
document.write( "		<TD >2% Milk</TD>\r\n" );
document.write( "		<TD ><IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_4\"></TD>\r\n" );
document.write( "		<TD >26.84</TD>\r\n" );
document.write( "		<TD >341.60</TD>\r\n" );
document.write( "		<TD >114.68</TD>\r\n" );
document.write( "		<TD >1.17</TD>\r\n" );
document.write( "	</tr>\r\n" );
document.write( "	<tr>\r\n" );
document.write( "		<TD >Requirement</TD>\r\n" );
document.write( "		<TD ></TD>\r\n" );
document.write( "		<TD >400</TD>\r\n" );
document.write( "		<TD >3500</TD>\r\n" );
document.write( "		<TD >2400</TD>\r\n" );
document.write( "		<TD >15</TD>\r\n" );
document.write( "	</tr>\r\n" );
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document.write( "</TABLE>\r<BR>\n" );
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document.write( "Next note that the amount of magnesium that you would get from <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x_1\"> servings of chicken would be <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 32.89x_1\"> mg.  So the total amount of magnesium you would get from this chicken/salmon/wheat/milk diet would be:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 32.89x_1\ +\ 35.15x_2\ +\ 58.24x_3\ +\ 26.84x_4\">\r<BR>\n" );
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document.write( "And you want this to add up to 400mg of magnesium, so:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 32.89x_1\ +\ 35.15x_2\ +\ 58.24x_3\ +\ 26.84x_4\ =\ 400\">.\r<BR>\n" );
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document.write( "The others are set up the exact same way, just read down each of the columns in the table to get the numbers you need.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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