Exponential word problem

Mathematics
Tutor: None Selected Time limit: 1 Day

The table below gives the value of a car over two years. Using an exponential best-fit model, after how many years is the car valued at 25% of the original value?

Year0  0.5  1.0  1.5  2.0
Value ($)15,500.00  14,560.00  13,911.20  12,969.66  12,204.09
Apr 7th, 2015

ANswer : 22.40 years 

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Apr 7th, 2015

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