Four light bulbs use different amount of electricity as shown below
A) 400 watt in 10 hours
B...
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Mathematics, 08.12.2020 16:30 WampWamp8751
Four light bulbs use different amount of electricity as shown below
A) 400 watt in 10 hours
B) 200 watts in 8 hours
C) 180 watts in 3 hours
D) 140 watts in 4 hours
which light bulb uses the least amount of electricity per hour?
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