Which expressions are equivalent to 10a - 25 + 5b
2 answers:
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Answer:
A = $8406.6
Step-by-step explanation:
Given:
Average rate
Initial cost of painting
Time
We need to find the final amount of painting at the end of a 20-year.
Solution:
Using Exponential Growth rate formula as:
----------(1)
Where:
A = Final amount
a = Initial amount.
r = Rate as a decimal.
t = Time.
Now, we substitute all given values in equation 1.
Substitute in above equation.
A = $8406.62
Therefore, value of the painting at the end of a 20-year A = $8406.6