Purchase cost = 710
installation cost = 70
running cost = 3 cents per hour
...
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Mathematics, 08.03.2021 07:30 gachaperson123
Purchase cost = 710
installation cost = 70
running cost = 3 cents per hour
average hours spotlight is turned on:
spring and summer months = 180 hrs per month
autumn and winter months = 360 hrs per month
(assume the spring and summer months, and the autumn and winter months each span half of the year)
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Answers: 2
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