An Energy Efficient Light Bulb Uses 15 W of Power

question 100

Multiple Choice

An energy efficient light bulb uses 15 W of power for an equivalent light output of a 60 W incandescent light bulb.How much money do you save each month by using the energy efficient light bulb instead of the incandescent light bulb for 6 hours a day? Assume that 1 kW.hr costs 14 cents and there are 30 days in one month.

• A)$0.39
• B)$0.76
• C)$1.51
• D)$0.57
• E)$1.13

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