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Mathematics, 17.07.2019 11:30 karellopez96
Suppose energy costs 0.08 per kilowatt-hour how much would it cost to keep a 40 watt porch light on all night every night for 1 month
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Suppose energy costs 0.08 per kilowatt-hour how much would it cost to keep a 40 watt porch light on...
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