6) there are eight 20-watt fluorescent lamps and four 50-watt electric fan.
7) there are 10 hours on a regular school day.
8) 50-watt fan
9)20-watt fluorescent lamp
10)70 kilowatt - hours are consumed in one school week.
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6) there are eight 20-watt fluorescent lamps and four 50-watt electric fan.
7) there are 10 hours on a regular school day.
8) 50-watt fan
9)20-watt fluorescent lamp
10)70 kilowatt - hours are consumed in one school week.