Val's whole-house central air conditioner uses 2,500 watts when running. Val runs the AC 7 hours per summer day. Electricity costs (12 cents)/(1 kilowatt-hour). How much does Val's AC cost to run for a summer month of 30 days?
Here, The cost of electricity is 12 cents/(1 kilowatt-hour).
So, 12 cents for 1 kilowatt - hour.
Amount of Electricity consumed in 1 hour= 2500 watts= 2.5Kilowatt.
Amount of Electricity consumed in 7 hours = 7*2.5 =17.5 kilowatt hour
AC is run for 7 hours in a day.
So, Amount of Electricity consumed in 1 day= Amount of Electricity consumed in 7 hours
Cost of Electricty for 1 Kilowatt –hour= 12 cents
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