document.write( "Question 1201002: What will the height (in metres) of the tree be after 15 years?
\n" ); document.write( "y=20.2logx
\n" ); document.write( "where y is the height in metres and x is time in years.
\n" ); document.write( "

Algebra.Com's Answer #835229 by math_tutor2020(3817)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "I'll assume this log is base 10.
\n" ); document.write( "y = 20.2*log(x)
\n" ); document.write( "y = 20.2*log(15)
\n" ); document.write( "y = 20.2*1.17609125905569
\n" ); document.write( "y = 23.757043432925
\n" ); document.write( "y = 23.8\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer: 23.8 meters (approximate)
\n" ); document.write( "
\n" ); document.write( "
\n" );