Answer :
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
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