dimitriusjones3249 dimitriusjones3249 20-02-2024 Mathematics contestada An electric refrigerator rated 400 W operates 8 hours/day. What is the cost of the energy to operate it for 30 days at Rs. 3.00 per kWh? a) Rs. 288 b) Rs. 320 c) Rs. 360 d) Rs. 400