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Physics, 28.11.2019 19:31 yfnal3x

Your old high school pal mike errington wants to upgrade an old 1976 vintage room air conditioner that is believed to operate at an eer of 5.5. he is considering a room air conditioner with an eer of 11. he wants to know by what percentage is electricity consumption would reduce? can you find it?
a.0.5 %
b.50 %
c.200 %
d.2 %

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