document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1092467>Question 1092467</A>: <I><SPAN STYLE=\"word-break: break-all;\"> AT&T offers a Smartphone plan that includes unlimited talk and text for $25 per month with an additional $15 charged for each GB of data used in the monthly billing cycle. <BR>\n" );
document.write( "Verizon Wireless offers a similar Smartphone plan that also includes unlimited talk and text for $40 per month with an additional $10 charged for each GB of data used in the monthly billing cycle. <BR>\n" );
document.write( "How many GB of data would you have to use per month for Verizon’s<BR>\n" );
document.write( "plan to be the better deal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #707211 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=707211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x represent the number of gigbabytes used each month.\r<BR>\n" );
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document.write( "the at&t plan is 25 + 15 * x\r<BR>\n" );
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document.write( "the verizon plan is 40 + 10 * x\r<BR>\n" );
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document.write( "for the verizon plan to cost less than the at&t plan, then 40 + 10 * x must be less than 25 + 15 * x\r<BR>\n" );
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document.write( "your equation is 40 + 10 * x < 25 + 15 * x.\r<BR>\n" );
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document.write( "subtract 25 from both sides of the equation and subtract 10 * x from both sides of the equation to get 15 < 5 * x.\r<BR>\n" );
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document.write( "divide both sides of the equation by 5 to get 3 < x.\r<BR>\n" );
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document.write( "solve for x to get x > 3.\r<BR>\n" );
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document.write( "the verizon plan will cost less when the gigabytes of use each month is greater than 3.\r<BR>\n" );
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document.write( "look at 2, 3, and 4 gigabytes of usage per month.\r<BR>\n" );
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document.write( "the verizon plan will cost 60, 70, and 80 dollars per month.\r<BR>\n" );
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document.write( "the at&t plan will cost 55, 70, and 85 dollars per month.\r<BR>\n" );
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document.write( "at&t is less at 2, equal at 3 and more at 4.\r<BR>\n" );
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document.write( "any amount of use greater than 3 gigabytes of use will result in a smaller bill for verizon at these rates.\r<BR>\n" );
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