It takes approximately ??? Weeks for the boy to achieve his goal

The equation relating the parameters is given to be:
[tex]t=\frac{1}{c}\ln(\frac{A}{A-N})[/tex]We are given the following parameters:
[tex]\begin{gathered} c=0.06 \\ A=75 \\ N=50 \end{gathered}[/tex]Therefore, we can solve for t as follows:
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