Andy has a 40-hour per week job and leaves a certain radio on all day while he works.This radio requires 125 watts of electricity.At a price per kilowatt-hour of $0.10,it costs $0.10 to play the radio all day.

Question

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The radio requires 125 watts of electricity, which is 0.125 kilowatts. At a price of $0.10 per kilowatt-hour, it costs $0.10 * 0.125 = $0.0125 to play the radio for one hour. Since Andy leaves the radio on for 40 hours per week, it costs $0.0125 * 40 = $0.50 to play the radio all week.

Andy Has a 40-Hour Per Week Job and Leaves a Certain