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IRINA_888 [86]
3 years ago
15

It seems hard to justify spending $4.00 for a compact fluorescent lightbulb when an ordinary incandescent lightbulb costs 50 ¢.

To see if this makes sense, compare a 60 W incandescent bulb lasting 1000 hours to a 15 W compact fluorescent bulb having a lifetime of 10,000 hours. Both bulbs produce the same amount of visible light and are interchangeable. If electricity costs $0.10/kWh, what is the cost - purchase plus energy - to obtain 10,000 hours of light from each type of bulb? This is called the life-cycle cost.
Business
1 answer:
frosja888 [35]3 years ago
8 0

Answer:

to obtain 10,000 hours of light you would need:

option 1)

10 incandescent light bulbs costing $0.50 each = $5

this incandescent light bulbs will consume 60 x 10,000 = 60,000 watts or 60 kWh = 60 x $0.10 = $6 in electricity

total costs using incandescent light bulbs = $5 + $6 = $11

option 2)

1 fluorescent light bulb = $4

this fluorescent light bulb will consume 15 x 10,000 = 15,000 watts or 15 kWh = 15 x $0.10 = $1.50

total costs using fluorescent light bulbs = $4 + $1.50 = $5.50

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First blank: Consumers

Second blank: GDP

Third blank: CPI

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2 years ago
PAC money is directed primarily toward: a. liberal candidates regardless of whether they are incumbents or challengers b. congre
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E) Congressional incumbents

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