document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205709>Question 205709</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I need help on my summer assignment, i did all of them except two...which i don't know how to do. I'm so sorry, they have parts to them.\r<BR>\n" );
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document.write( "The first one is :<BR>\n" );
document.write( "\"A Glass mirror is selling mirrors with frames. The store charges 10 cents for each square inch of mirror and 25 cents for each linear inch of frame.<BR>\n" );
document.write( "A.  Show that a 20 inch by 30 inch mirror should cost 85 dollars<BR>\n" );
document.write( "(I tried solving this by multiplying the money by the inches, and    by finding the area and stuff but either it equals more or less.)<BR>\n" );
document.write( "B.   If there was a mirror that measures 40 inches on one side, what would the other measurement be if the price were still 85 dollars<BR>\n" );
document.write( "C.   Write an equation that determines the price (p) given length (l) and width (W) <BR>\n" );
document.write( "D.   Solve this equation for L\"\r<BR>\n" );
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document.write( "If you could just do A and B that would be great because then i could figure out c and D since u will show me the work and how u did it so I know....Thank You soooo much~! <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 #155335 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=155335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A Glass mirror is selling mirrors with frames. <BR>\n" );
document.write( "The store charges 10 cents for each square inch of mirror and 25 cents for each linear inch of frame.<BR>\n" );
document.write( "A. Show that a 20 inch by 30 inch mirror should cost 85 dollars<BR>\n" );
document.write( "linear cost = 2(20+30)*25 cents = 2500 cents = $25.00<BR>\n" );
document.write( "area cost = 20*30*10 cents = 6000 cents = $60.00<BR>\n" );
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document.write( "B. If there was a mirror that measures 40 inches on one side, what would the other measurement be if the price were still 85 dollars<BR>\n" );
document.write( "Let the other side length be \"x\"<BR>\n" );
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document.write( "linear cost = 2(40+x)*25 = 2000+50x cents<BR>\n" );
document.write( "area cost = 40x*10 = 400x cents<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "2000 + 50x + 400x = 8500 cents<BR>\n" );
document.write( "450x = 6500<BR>\n" );
document.write( "x = 14.44 inches<BR>\n" );
document.write( "============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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