Question

Given a model, what is the value of t when the value of P is equal to 20

Answer 1

`\begin{gathered} P=10(3)^t \\ 20=10*3^t \\ 3^t=2 \\ \text{Take log of both side.} \\ \log (3^t)=\log 2 \\ t\log 3=\log 2 \\ t=(\log 2)/(\log 3) \\ t=0.63 \end{gathered}`