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Mathematics, 08.07.2019 07:00 manuel6885

In a certain city, electricity costs $0.15 per kwh. what is the annual cost for electricity to power a lamp post for 6.5 hours per day with a 100 watt incandescent light bulb

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In a certain city, electricity costs $0.15 per kwh. what is the annual cost for electricity to power...

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