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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |