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kal43

Microwave Cost More

____________

= 1,5 kW

= 1.500 Watt × 10/60

= 15.000 ÷ 60

= 250 Watt

= 30 Watt × 3

= 90 Watt

Microwave Using 250 Watt For 10 Minutes

CD Player Using 90 Watt For 3 Hours

Microwave ≥ CD Player