wbaker
18.05.2021 •
Mathematics
the thomas family had an opportunity to by 50 acres of land for $800 per acre. in the past the price of land had risen 3% per year. how long will it be before the land is worth $1000 per acre? explained
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Ответ:
Given:
Initial value = $800 per acre
Growth rate = 3% per year
To find:
How long will it be before the land is worth $1000 per acre.
Solution:
The exponential growth model is:
Where, y is the new value, a is the initial value, r is the growth rate in decimal and t is the number of years.
Putting , we get
Taking log both sides, we get
Isolating the variable t, we get
Therefore, the land is worth $1000 per acre after 7.55 years.
Ответ: