Mathematics, 30.06.2020 07:01 shauntleaning
the electricity charge up to 20 units is rs3.90 per unit and rs 6.50 per unit from 21 to 250 units. how much should the electricity charge be paid for?
Answers: 2
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the electricity charge up to 20 units is rs3.90 per unit and rs 6.50 per unit from 21 to 250 units....
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