Question

in hopes that the student would return soon, the parents kept the porch light on. the light bulb used about 75 watts. 1000 watts is a kilowatt. a killowatt hour is the amount of energy when a kilowatt of power is used for one hour. if a kilowatt hour costs 45 cents, how much does it cost to run the 75 watt light for one full week (day and night)? hint:____cents=75 watt*1 week