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A light bulb consumes 1440 watt-hours per day. How many watt-hours does it consume in 3 days and 6 hours?
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A light bulb consumes 1440 watt-hours per day. How many watt-hours does it consume in 3 days and 6 hours?

User Gabriel Ferrarini
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Answer: 4680
Explanation: 1440/24 (since 24 hours in a day) you get 60.. so 60 watts per hour. Then you can do it two ways.. 60*78 (72 hours in 3 days + 6 hours) or (1440*3)+(60*6) = 4320+360=4680
User Steve Moyer
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