Mathematics, 27.12.2020 09:40 Ree0628
The charge of electricity for the first 20 units is Rs. 80. If Rs. 7.30 per unit is charged for the units 21 to 30, what is the charge of 27 units of electricity consumed in a household
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The charge of electricity for the first 20 units is Rs. 80. If Rs. 7.30 per unit is charged for the...
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