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Your utility company charges 10 cents per kilowatt-hour of electricity. Complete parts (a) and (b) below.
a. What is the daily cost of keeping lit a 60-watt light bulb for 14 hours each day?
b. How much will you save in a year if you replace the bulb with an LED bulb that provides the same amount of light using only 15 watts of power?
help asap please!!!
Sagot :
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