document.write( "Question 314581: 4. A pneumatic drill makes a noise measured at 114 dB. Ordinary traffic is measures at 68 dB. How many times louder is the pneumatic drill than the ordinary traffic? \n" ); document.write( "

Algebra.Com's Answer #225092 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
4. A pneumatic drill makes a noise measured at 114 dB.
\n" ); document.write( "Ordinary traffic is measures at 68 dB.
\n" ); document.write( "How many times louder is the pneumatic drill than the ordinary traffic?
\n" ); document.write( "--------------------------
\n" ); document.write( "Drill loudness:
\n" ); document.write( "114 = 10log(x)
\n" ); document.write( "log(x) = 11.4
\n" ); document.write( "x = 10^11.4
\n" ); document.write( "-------------------------
\n" ); document.write( "Traffic loudness:
\n" ); document.write( "68 = 10log(y)
\n" ); document.write( "log(y) = 6.8
\n" ); document.write( "y = 10^6.8
\n" ); document.write( "--------------------
\n" ); document.write( "How many times louder is the pneumatic drill than the ordinary traffic?
\n" ); document.write( "10^11.4/10^6.8 = 10^(11.4-6.8) = 10^4.6 = 39810
\n" ); document.write( "-----
\n" ); document.write( "Drill loudness = 39810*traffic loudness
\n" ); document.write( "==========================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "===========
\n" ); document.write( " \n" ); document.write( "

\n" );