## Algebra and Trigonometry 10th Edition

Make $P=32$: $32=20.913e^{0.0184t}$ $e^{0.0184t}=\frac{32}{20.913}$ $\ln e^{0.0184t}=\ln\frac{32}{20.913}$ $0.0184t=\ln\frac{32}{20.913}$ $t=\frac{\ln\frac{32}{20.913}}{0.0184}$ $t=23.118\approx23$