5/26/09

Post date: May 25, 2009 5:1:36 PM

Bell Ringer: A 60 Watt porch light is left on for 8 hours every night. If electricity costs $0.072 per kWh, how much does it cost to run the bulb for a year? How much money would you save by switching to a 15 Watt fluorescent bulb?

    • Chapter 23 Notes (section 1 and section 2)

    • Work time for review problems

    • Electricity test tomorrow

    • Final Friday!