Math Problem Statement
A car was bought in
February 1, 2015
for
$
25
,
000
, and its value depreciates by
1.5
%
every single month. The value of the car
m
months since
February 1, 2015
is given by the formula
V
(
m
)
25
,
000
(
d
)
m
, where
d
is the decay factor. Find the value of the car on
June 1, 2017
.
Round your answer to the nearest cent.
Solution
To find the value of the car on June 1, 2017, we'll break down the problem into steps:
-
Find the number of months between February 1, 2015, and June 1, 2017:
- From February 1, 2015, to February 1, 2017, there are exactly 24 months.
- From February 1, 2017, to June 1, 2017, there are 4 more months.
Therefore, the total number of months, , is:
-
Determine the decay factor : The car depreciates by 1.5% every month, which means it retains 98.5% of its value each month. So the decay factor is:
-
Use the given formula to find the car's value after months:
The formula for the value of the car after months is: Substituting the values for and :
Now, let's calculate the value.
The value of the car on June 1, 2017, after 28 months of depreciation, is approximately $16,373.99, rounded to the nearest cent.
Would you like further details or explanations? Here are some related questions for deeper understanding:
- What would be the car's value after 3 years of depreciation?
- How does the car's value change if the depreciation rate is increased to 2% per month?
- How many months would it take for the car's value to drop below $10,000?
- How can we model depreciation with more complex factors, such as varying monthly rates?
- What is the difference between exponential and linear depreciation?
Tip: In problems with percentage decay or growth, using the decay or growth factor simplifies calculations significantly.
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Math Problem Analysis
Mathematical Concepts
Exponential Decay
Percentage Depreciation
Algebra
Formulas
Exponential Decay Formula: V(m) = P(d)^m
Decay Factor Formula: d = 1 - (depreciation rate)
Theorems
Exponential Growth and Decay Theorem
Suitable Grade Level
Grades 9-12
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