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View Full Version : The cost of electric power is 10 cents/kwh using a 300 watts light bulb and two 150 w


jarm
Jun 24, 2012, 12:32 AM
The cost of electric power is 10 cents/kwh using a 300 watts light bulb and two 150 watts television sets. The light bulb operates at an average of 10 hours/day and the 2 television sets operates at an average of 5 hours/day. What will be your electric bill in 1 month.