Question: A house is cooled by an electric heat pump using the outside as the high temperature reservoir. For several different summer outdoor temperatures estimate the

A house is cooled by an electric heat pump using the outside as the high temperature reservoir. For several different summer outdoor temperatures estimate the percent savings in electricity if the house is kept at 77 F instead of 68 F. Assume that the house is gaining energy from the outside directly proportional to the temperature difference.

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