document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696834>Question 696834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tortoise travelled 4096 m in week one. Each week, it travelled half as far as the previous week. In what week will the tortoise travel 4 m? Please show me using a formula or equation. I know the answer because I used the calculator but I still want to know how to find the answer using a formula or equation.I'm in grade 7 can you explain, because the previous time i didnt understand. Help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429394 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10556)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=429394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "A tortoise travelled 4096 m in week one. Each week, it travelled half as far as the previous week. In what week will the tortoise travel 4 m? Please show me using a formula or equation. I know the answer because I used the calculator but I still want to know how to find the answer using a formula or equation.I'm in grade 7 can you explain, because the previous time i didnt understand. Help!\r<BR>\n" );
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document.write( "The terms represent a geometric sequence with the first term, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D ALIGN=MIDDLE  ALT=\"a%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >: 4,096, r, or common ratio: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and n: the week-number that the tortoise will travel 4 m\r<BR>\n" );
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document.write( "Geometric sequence: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"a%5Bn%5D+=+a%5B1%5Dr%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > becomes: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D+=+4096%281%2F2%29%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"a%5Bn%5D+=+4096%281%2F2%29%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+=+4096%281%2F2%29%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"4+=+4096%281%2F2%29%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F4096+=+%281%2F2%29%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"4%2F4096+=+%281%2F2%29%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F1024+=+%281%2F2%29%5E%28n+-+1%29 ALIGN=MIDDLE  ALT=\"1%2F1024+=+%281%2F2%29%5E%28n+-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log+%281%2F2%2C+%281%2F1024%29%29+=+n+-+1 ALIGN=MIDDLE  ALT=\"log+%281%2F2%2C+%281%2F1024%29%29+=+n+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log+%281%2F1024%29%2Flog%281%2F2%29+=+n+-+1 ALIGN=MIDDLE  ALT=\"log+%281%2F1024%29%2Flog%281%2F2%29+=+n+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log+%281%2F1024%29%2Flog%281%2F2%29+=+10 ALIGN=MIDDLE  ALT=\"log+%281%2F1024%29%2Flog%281%2F2%29+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so:\r<BR>\n" );
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document.write( "10 = n - 1\r<BR>\n" );
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document.write( "n = 10 + 1\r<BR>\n" );
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document.write( "The tortoise will travel 4 m in week n, or week <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2811%29 ALIGN=MIDDLE  ALT=\"highlight_green%2811%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can USE MS Excel to check!!\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
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