Mathematics, 09.01.2020 19:31, smokemicpot

Ms. wang is shopping for a new refrigerator. brand a costs $569 and uses 635 kilowatt-hours per year. brand b costs $647 and uses 582 kilowatt-hours per year. if electricity costs $0.18 per kilowatt-hour, how much would ms. wang save on electricity per year by buying brand b?

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Ms. wang is shopping for a new refrigerator. brand a costs $569 and uses 635 kilowatt-hours per year...