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steposvetlana [31]

3 years ago

10

Michelle buys a motorcycle for $10,000. The motorcycle loses 20% of its value each year. The depreciation of the motorcycle is s

hown by the graph. After how many years is the value of the motorcycle worth $6400? A) 1 year B) 2 years C) 4 years D) 6 years

2 answers:

Zina [86]3 years ago

4 0

The answer is b 2 years

pshichka [43]3 years ago

4 0

6400=10000(1-0.20)^t
Solve for t
T=log(6400/10000)/log(1-0.20)
T=2 years

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