Mathematics, 24.09.2019 16:50 stodd9503
Your utility company charges 13 cents per kilowatt-hour of electricity. what is the daily cost of keeping lit a 75 watt light bulb for 12 hours each day? how much will you save in a year if you replace the bulb with an led bulb that provides the same amount of light using only 15 watts of power?
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Your utility company charges 13 cents per kilowatt-hour of electricity. what is the daily cost of ke...
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