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Engineering, 13.09.2019 21:30 lizzyhearts
There are three options for heating a particular house: a. gas: $1.33/therm where 1 therm=105,500 kj b. electric resistance: $0.12/kwh where 1 kwh=3600 kj c. oil heating: $2.30/gallon where 1 gal of oil=138,500 kj. which option is the cheapest for this house?
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