Friday, March 2, 2012

What is the dollar cost of using electrical energy to heat the water in a swimming pool?

If the price of electrical energy is 0.159 dollars per kilo-watt hour, what is the dollar cost of using electrical energy to heat the water in a swimming pool (11.8 m x 11.4 m x 1.73 m) from 13.0 to 26.7 degrees C?

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