Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
Most indoor fluorescent light fixtures contain two or three 40-watt bulbs each.
Most indoor fluorescent light fixtures contain two or three 40-watt bulbs each. If a classroom has 15 fluorescent light fixtures, each with three 40-watt bulbs, how much does it cost to leave the lights on for a two-hour class? Assume the electric company charges approximately 10 cents per kilowatt-hour.
