document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107421>Question 1107421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The battery for Kyle's cell phone lasts at least<BR>\n" );
document.write( "twice as long as the battery for his brother's<BR>\n" );
document.write( "cell phone. His brother's battery lasted 8 hours.<BR>\n" );
document.write( "Which of these inequalities is another way to<BR>\n" );
document.write( "express this relationship?<BR>\n" );
document.write( "K = number of hours the battery lasts in Kyle's cell phone\r<BR>\n" );
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document.write( "A. K < 2  8 B. K  2  8<BR>\n" );
document.write( "C. 2K > 8 D. 2K  8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722682 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=722682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let K equal the number of hours that kyle's cell phone battery lasts.<BR>\n" );
document.write( "let B equal the number of hours that his brother's cell phone battery lasts.\r<BR>\n" );
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document.write( "kyle's battery last at least twice as long as the battery for his brother's cell phone.\r<BR>\n" );
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document.write( "that gets you K >= 2 * B.\r<BR>\n" );
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document.write( "his brother's battery lasted 8 hours.\r<BR>\n" );
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document.write( "that gets you K >= 2 * 8 which gets you K >= 16.\r<BR>\n" );
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document.write( "your selections are shown as:\r<BR>\n" );
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document.write( "A. K < 2  8 <BR>\n" );
document.write( "B. K  2  8<BR>\n" );
document.write( "C. 2K > 8 <BR>\n" );
document.write( "D. 2K  8\r<BR>\n" );
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document.write( "you're mising some key operands.<BR>\n" );
document.write( "my guess as to what they are is shown below:\r<BR>\n" );
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document.write( "A. K <= 2 * 8 <BR>\n" );
document.write( "B. K >= 2 * 8<BR>\n" );
document.write( "C. 2K >= 8 <BR>\n" );
document.write( "D. 2K <= 8\r<BR>\n" );
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document.write( "without knowing exactly what your final equations are like because of the missing operands, i would guess that selection B would be correct, because:\r<BR>\n" );
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document.write( "K >= 2 * B<BR>\n" );
document.write( "B = 8<BR>\n" );
document.write( "this results in K >= 2 * 8.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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