document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=125762>Question 125762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)Photography reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order? \r<BR>\n" );
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document.write( "Assume that the mathematical model C(x) = 16x + 130 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between $525,000 and $781,000?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #92129 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=92129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)Photography reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order?<BR>\n" );
document.write( "Let \"x\" be number of reprints.<BR>\n" );
document.write( "INEQUALITY:<BR>\n" );
document.write( "mail order cost < local photo shop cost<BR>\n" );
document.write( "0.44x + 1.20 < 0.52x<BR>\n" );
document.write( "0.08x > 1.20<BR>\n" );
document.write( "x > 15<BR>\n" );
document.write( "mail order is less expensive if the number of prints is greater than 15<BR>\n" );
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document.write( "2) <BR>\n" );
document.write( "Assume that the mathematical model C(x) = 16x + 130 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between $525,000 and $781,000? <BR>\n" );
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document.write( "525,000 < 16x+130 < 781,000<BR>\n" );
document.write( "32804.38 < x < 48804.38<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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