Utility Electric Cost= Divide the yearly kWh by 12 to obtain the monthly kWh amount. Assume $0.20 per kWh utility cost and multiply it to obtain the amount. Use previous formulas to determine the cost ($.20/kWh) of each of these appliances of devices over a given period. 1. You take out a bagel and place it in the toaster for 5 minutes. The toaster uses 1050 watts/hour.

Please assume a price for electric energy of $0.15/kWh. If washer A costs $750 and uses 200 kWh of energy per year to operate, and  washer B costs $300 and uses 800 kWh of electricity per year to operate, which of the two washers costs less to own and operate over a period of ten years?

An electric stove with four burners and an oven is used in preparing a meal as follows. Burner 1: 40 minutes Burner 2: 90 minutes Burner 3: 15 minutes Burner 4: 45 minutes Oven: 30 minutes If each burner is rated at 1.5kW and the oven at 1.8 kW, and electricity costs 12 cents per kWh, calculate the cost of electricity used in preparing the meal. CENTS ROUND OFF TO THE NEAREST HUNDRETHS

The following gives the data when 100 regular light bulbs are replaced with 100 LED light bulbs. Ignore the interest rate and assume the electricity cost is $0.17/kWh. What will be the saving (in $) for 1200 hours? Regular light bulbs: Cost per piece: $1.00 Power rate: 100 W Lifetime: 2000 hours LED light bulbs: Cost per piece: $2.00 Power rate: 15 W Lifetime: 20000 hours A) 2394 B 2190 C) 1986 (D) 1782 E 1578