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Your oven has a power rating of 5000 watt...
Your oven has a power rating of 5000 watts.
a. How many kilowatts is this? b. If the oven
is used for 2 hours to bake cookies, how
many kilowatt-hours (kWh) are used? c. If
your town charges $0.15/kWh, what is the
cost to use the oven to bake the cookies?



Answer :

AL2006
a). 1,000 watts = 1 kilowatt
5,000 watts = 5 kilowatts

b). (5 kilowatts) x (2 hours) = 10 kilowatt-hours (kWh)

c). (10 kWh) x (15 cents/kWh) = $1.50

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