Comments1k Share. Hayley Noelle LeBlanc (popularly known as Hayley) is the youngest child of the LeBlanc Family. She is 8 years old and is currently attending a private school and is in 2nd grade. Hayley is currently 4'3 and weighs 50 pounds.
Click calculate to find out the electricity cost of a single incandescent light bulb running at 60 Watts for 5 hours a day @ $0.10 per a kWh, keep in mind you can edit the numbers in the calculator. Cost Per Hour: Cost Per Day:ncandescent light bulbs have an average lifespan of 1000 hours or 41.6 days running 24/7. While comparable CFL light bulbs last an average of 9,000 hours or 375 days running 24/7 and an LED light bulb lasts 50,000 hours or 2,083 days.
Greg can buy a 24 pack of 60 watt incandescent bulbs for $11.87, or $0.49 a bulb. He would have to buy twelve bulbs to replace the ones in his home, costing him $5.94 in bulbs. These bulbs have an average lifetime of 1,000 hours, so to cover 10,000 hours of use, it will cost him $54.90 to use incandescent bulbs.Greg can also buy an 8 pack of 13 watt CFL bulbs for $8.75 (which replace 60 watt incandescents), or $1.09 a bulb.ver 120,000 hours of use (10,000 hours per socket), a 60 watt incandescent will use 7,200 kWh of energy. At an average price per kilowatt hour nationwide of about $0.12 per kWh, it would cost him $864 over that span. Over that same timeframe, a 13 watt CFL will use 1,560 kWh of energy.