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Homework answers / question archive / University of MalayaCHEMICAL E kek Higher costs today can sometimes lead to higher savings in the future
University of MalayaCHEMICAL E kek
Higher costs today can sometimes lead to higher savings in the future. An LED bulb costs $30 and has a lifespan of 30,000 hours. In that time, it uses 300 kWh of electricity. A halögen bulb costs $5 and has a lifespan of 1,000 hours. In that time, it uses 60 kWh of electricity. Assuming that electricity costs 20 cents per kWh, how much will one save by using an LED bulb over its lifespan?
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