Question

Four bulbs of 60 W each, three fans of 40 W each, a television of 100 W and
an air conditioner of 1.1 kW are used for 8 hours, 6 hours, 2 hours and 1 hour
respectively by a family per day. Calculate the cost of electricity used by the
family in the month of March at the rate of Rs 2/- per unit.
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Answer 1

Answer:

4.3x - 5 16 2>x + {0, 1, 2, 3, 4, 5, 62