SOLUTION: 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?
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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? Found 2 solutions by josmiceli, Alan3354:Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! (1 hr/day) x (365 days/yr) = 365 hrs/yr
(8 cents/kw-hr) x (1 kw/1000 w) x (365 hr/yr) x (100 w) = cents/yr cents/yr
It costs $2.92 per year
