Question
.A 70 W outdoor security light is illuminate, on average, 10 hours a day. A new bulb costs $5.00, and the lifetime is about 1000
.A 70 W outdoor security light is illuminate, on average, 10 hours a day. A new bulb costs $5.00, and the lifetime is about 1000 hours. If electricity costs $0.10 per kWh, what is the yearly price of security, per light?
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Introduction To Chemical Engineering
Authors: S. Pushpavanam
1st Edition
8120345770, 978-8120345775
