The answer is x = 2a^3 - 3a
Solve, for the first variable in one of the equation, the substitute the final result into the other equation
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To solve this problem you must apply the proccedure shown below:
1. You must apply the following formula:

Where
is the future value,
is the present value,
is the interest rate and
is the time in years.
2. You have that the bank will double your money in
years. Therefore:

3. Substitute values into the formula and solve for
, as following:

4. By applying natural logarithm, you have:

%
The answer is:
%
Answer:
The answer is "
".
Step-by-step explanation:
Given points:

average rate=?


