When the survey results come back employees indicated that the lighting in the building was too low. They are 50 lights in the building. It will cost $50 to replace the light. The new lights are LED lights that are brighter and more efficient and last 10 years. It can save the company $350 per year in energy cost, plus make a brighter more productive work space making employees happier. How many years will it take for the new lights to pay for themselves? (round to the nearest year)

The number of years for the new lights to pay for themselves is 7 years.

There are 50 lights and it will cost $50 to replace each light.

Total replacement cost is  

= $2,500

Now  

The company gets to save $350 per year if they use LED bulbs.

= 2,500 ÷ 350

= 7.14 years

= 7 years

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7 years

Explanation:

There are 50 lights and it will cost $50 to replace each light.

Total replacement cost is therefore;

= $2,500

The company gets to save $350 per year if they use LED bulbs.

= 2,500/350

= 7.14 years

= 7 years

nice

explanation:

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