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Mathematics, 17.10.2019 16:10 Devinrichardson889

How much does it cost to run a blow drier for 15 hours in a week if the blow drier runs on 1100 watts and the electric company charges 9 cents per kilowatt hour?

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How much does it cost to run a blow drier for 15 hours in a week if the blow drier runs on 1100 watt...
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