https://openlab.citytech.cuny.edu/groups-mat-1275co-course-hub-/lessons/lesson-37-exponential-equations-applications-to-compound-interest-population-growth/

Openstax Section:

10.5 Solve Exponential and Logarithmic Equations

WeBWorK Sets:

ExponentialEquations
ExponentialEquations-Calc
CompoundInterest