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The electric company charges 3 cents per kilowatt-hour. George used 2800 kilowatt-hours in april, 3200 kilowatt-hours in may and 3600 kilowatt-hours in June. What was his average cost of electricity for the 3 months ?



Answer :

JWindow
2800 + 3200 + 3600 = 9600kWh

9600kWh divided by three is the average energy usage per month

3200kWh

3200kWh times by 3 cents is the average cost per month in cents

9600 cents

divided by 100 is the price in dollars

$96

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