document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143563>Question 143563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Again I beleive I have a, b done but need help with c, can someone help please?\r<BR>\n" );
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document.write( "2.	As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. \r<BR>\n" );
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document.write( "a)	The sales representative here tells you they also have two floor plans available, but they only have 38 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2 respectively.  x + y = 38\r<BR>\n" );
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document.write( "b)	The representative tells you that floor plan #1 sells for $175,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are worth $7,200,000. Write an equation that illustrates this situation. Use the same variables you used in part a.       $175000x + $200000y = 7200000\r<BR>\n" );
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document.write( "c)	Use elimination to determine how many houses with each floor plan are available. Explain how you arrived at your answer.   \r<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 #104481 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=104481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = 38<BR>\n" );
document.write( "$175000x + $200000y = 7200000\r<BR>\n" );
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document.write( "c)Use elimination to determine how many houses with each floor plan are available. Explain how you arrived at your answer.  <BR>\n" );
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document.write( "Simplify the 2nd equation by dividing thru by 5000 to get:<BR>\n" );
document.write( "35x + 40y = 1440<BR>\n" );
document.write( "x   +   y = 38<BR>\n" );
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document.write( "Multiply  thru the 2nd equation by 35 to get:<BR>\n" );
document.write( "35x + 35y = 35*38<BR>\n" );
document.write( "35x + 40y = 1440<BR>\n" );
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document.write( "Subtract the 1st from the 2nd equation to get:<BR>\n" );
document.write( "5y = 10<BR>\n" );
document.write( "y = 2 (# of floor plan #1 houses)<BR>\n" );
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document.write( "Substitute into x + y = 38 to solve for \"x\":<BR>\n" );
document.write( "x + 2 = 38<BR>\n" );
document.write( "x = 36 (# of floor plan #2 houses)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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