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Five 80-W and three 100W are run for 8 hours. If the cost of energy is N5.00 per unit, ...

Five 80-W and three 100W are run for 8 hours. If the cost of energy is N5.00 per unit, calculate the cost of running the lamp. [1 unit = 1 kWh]

A. N280.00
B. N28.00
C. N7.20
D. N1.44




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