document.write( "Question 269108: Electricity costs 8 cents per kilowatt-hour. Every day, 365 days per year, a 100-watt light bulb burns for one hour. How much does this cost annually? \n" ); document.write( "
Algebra.Com's Answer #197266 by Alan3354(69443)\"\" \"About 
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100 watt-hrs = 0.1 KWh per day
\n" ); document.write( "--> 36.5 KWh per year
\n" ); document.write( "8*36.5 = $2.92 per year
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