document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151324>Question 151324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am lost with this assignment, HELP! I do not understand hwo these are answered! \r<BR>\n" );
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document.write( "4. A group of students decides to sell pizzas to help raise money for their senior class trip. They sold pepperoni for $12, sausage for $10, and cheese for $8. At the end of their sales the class sold a total of 600 pizzas and made $5900. The students sold 175 more cheese pizzas than sausage pizzas. Set up a system of three equations and three unknowns, use an augmented matrix to solve, and show all work to receive full credit.\r<BR>\n" );
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document.write( "A. What are the three unknowns?<BR>\n" );
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document.write( "B. Write a separate equation representing each of the first three sentences. \r<BR>\n" );
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document.write( "C. Determine the augmented matrix that represents the three equations.\r<BR>\n" );
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document.write( "D. Solve for the matrix. Show all work to receive full credit.\r<BR>\n" );
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document.write( "E. How many of each type of pizza were sold? <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 #111239 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=111239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4. A group of students decides to sell pizzas to help raise money for their senior class trip. <BR>\n" );
document.write( "They sold pepperoni for $12, sausage for $10, and cheese for $8. <BR>\n" );
document.write( "At the end of their sales the class sold a total of 600 pizzas and made $5900. The students sold 175 more cheese pizzas than sausage pizzas. <BR>\n" );
document.write( "Set up a system of three equations and three unknowns, <BR>\n" );
document.write( "use an augmented matrix to solve, and show all work to receive full credit.<BR>\n" );
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document.write( "A. What are the three unknowns?<BR>\n" );
document.write( "p = # of pepperoni<BR>\n" );
document.write( "s = # of sausage<BR>\n" );
document.write( "c = # of cheese<BR>\n" );
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document.write( "B. Write a separate equation representing each of the first three sentences. <BR>\n" );
document.write( "Quantity Eq: p   +   s + c  = 600<BR>\n" );
document.write( "Value Equat: 12p + 10s + 8c = 5900<BR>\n" );
document.write( "Quantity Eq: 0p  -  s  +  c = 175<BR>\n" );
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document.write( "C. Determine the augmented matrix that represents the three equations. <BR>\n" );
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document.write( "D. Solve for the matrix. Show all work to receive full credit. <BR>\n" );
document.write( "Use any method to get:<BR>\n" );
document.write( "p = 225<BR>\n" );
document.write( "s = 100<BR>\n" );
document.write( "c = 275<BR>\n" );
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document.write( "E. How many of each type of pizza were sold? <BR>\n" );
document.write( "See answers to \"D\".\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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