Mathematics, 29.03.2021 21:10 georgesarkes12

An electric heater has two power settings .One Setting is 0.5kW and the other is 1.5kW One Kwh Of Electricity Cost 11 Pence . Calculate how much you would save if you used the heater 12 hours on the 0.5 setting Instead of the 1.5kW Setting

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An electric heater has two power settings .One Setting is 0.5kW and the other is 1.5kW One Kwh Of El...

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