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September 2, 2015

Homework Help: Physics

Posted by Phil on Wednesday, May 30, 2012 at 10:52am.

HELP WITH c.!!!

A electric bill showed 1200 kilowatt hours (kWh) purchased at a cost of $150.00.

a. What does PECO charge per kWh? $0.125

b. An electric dryer is rated at 5400 W. It takes 40 minutes to dry a normal load. What is the cost per load? $0.45

c. Two 100 watt security lights are left on for 8 hours each night. What is the annual electricity cost? $_____

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