document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1190157>Question 1190157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the international links long distance phone company charges no monthly fee but charges 18 cents per minute for long-distance calls. The World Connections long distance company charges 50 dollars per month plus 10 cents per minute for long distance calls. Compare the World Connections long-distance plan to that of International Links. Under what circumstances is it cheaper to use International Links? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #821750 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=821750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=number of minutes<BR>\n" );
document.write( "Intl: $0.18x are charges<BR>\n" );
document.write( "World: $50+$0.10x for charges<BR>\n" );
document.write( "International is cheapest at low levels of use.<BR>\n" );
document.write( "50+0.10x=0.18x<BR>\n" );
document.write( "50=0.08x<BR>\n" );
document.write( "x=625 minutes.<BR>\n" );
document.write( "So anything under 625  minutes it is cheaper to use International Links<BR>\n" );
document.write( "At 625 minutes, both bills are $112.50<BR>\n" );
document.write( "-<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "Look at 100 minutes. For IL, it is $18.<BR>\n" );
document.write( "For WC it is $50+$10=$60.<BR>\n" );
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