Question: Problem 3 . How much water ( in gallons ) needed for energy could we save by switching a 6 0 W bulb to an

Problem 3. How much water (in gallons) needed for energy could we save by switching a 60 W
bulb to an LED light (details below from Department of Energy). Assume the bulb is used for
about 4 hours a day for an entire year (365 days). Also assume about 15 gallons of water are
needed to generate enough energy for 1 kWh .(5 pts )
Problem 3 . How much water ( in gallons ) needed

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