document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133471>Question 1133471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Log11 5 ÷ log11 15=? show solution without calculator </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #750703 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=750703\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the log rule for product, that is<BR>\n" );
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document.write( "log base a (xy) = log base a (x) + log base a (y)<BR>\n" );
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document.write( "Log11 5 ÷ log11 15 = log11 (5 * 15) = log11 (75)<BR>\n" );
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document.write( "Use definition of logarithm<BR>\n" );
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document.write( "y = log11 (75)<BR>\n" );
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document.write( "75 = 11^y<BR>\n" );
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document.write( "y is the logarithm<BR>\n" );
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document.write( "y is approximately 1.8, that is, 11^1.8 = 74.9<BR>\n" );
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