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4 A washing machine has a power rating of 550 Watts It is used for...

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4 A washing machine has a power rating of 550 Watts It is used for 3 hours every week a How much energy in kWh does it use in 4 week period one month 6 6 kWh b If the rate of electricity is 7 cents kWh what will be the cost of running the machine for one month one year 0 46 5 54

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