An electric stove with four burners and an oven is used in preparing a meal as follows:
Burner 1: 20 minutes\quadBurner 2: 40 minutes
Burner 3: 15 minutes\quad Burner 4: 45 minutes
Oven: 30 minutes
If each burner is rated at 1.2 kW and the oven at 1.8 kW, and electricity costs 12 cents per kWh, calculate the cost of electricity used in preparing the meal.
The Correct Answer is: the total cost = 39.6 cents.
The Solution