For similar light intensity, compact fluorescent bulbs use about 25% of the energy of incandescent bulbs. Let's say you replaced
a bulb of 100 W with a fluorescent bulb and that your utility charges $0.15/kW-hour. How many dollars would you save in electricity in the 10,000−hour lifetime of the bulb?
1 answer:
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Answer:3 in. per yr
Step-by-step explanation:
Present height of Samantha is
After next
she grew to
Increase in her height
Increase in height per year is