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One model for car depreciation is as follows, where Cis the original cost, Vis the value of the car after tyears, and ris the rate

of depreciation
V= (1-1)
If the original cost of the car was $21,000 and the rate of depreciation is 15%, what will be the value of the car after 5 years?
[Round to the nearest dollar.]
A. $17,850
B. $3,150
C. $9,318
D. $19,472​

User Rukshan
by
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1 Answer

3 votes

Given:

Original cost of car = $21000

Rate of depreciation = 15% = 0.15

Time = 5 years

To find:

The value of car after 5 years.

Solution:

Consider the model for car depreciation is


V=C(1-r)^t

where, C is the original cost, V is the value of the car after t years, and r is the rate of depreciation.

Substitute C=21000, r=0.15 and t=5 in the above model.


V=21000(1-0.15)^5


V=21000(0.85)^5


V=21000(0.4437)


V=9317.7


V\approx 9318

The value of car after 5 years is $9318. Therefore, the correct option is C.

User Dinuka Dilshan
by
9.0k points
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