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July 28, 2014

Homework Help: electricity 188

Posted by christina on Sunday, February 24, 2008 at 10:22pm.

hi my name is christina and i have an electrical question i need help with.
i am taking power engineering electrical 188.
the question is:
how much will ity cost to use 6 lamps of 100 W each if they burn for 5 hours each evening in a month (30 days). the cost of electricity is 0.04 cents per kwh?
how do u solve this question? the answer is $3.60

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