Answer:
For this we first need to know how much watt hours are used in 12 house which we can find by taking 960/2=480 now we just need to take 960*4=3840 and add 480 which gives us are end answer of 4320 watt hours.
Explanation:
960 watt hours per day
5 days 12 hours = 5.5 days
5280 / 5.5 = 960 watt hours per day
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