2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168267We discuss an amazing prey--predator model with variable coefficients, analyze its predictions and the accuracy of the variational iteration method used to solve the nonlinear equations.Mathematical PhysicsPopulations and EvolutionOn the application of the variational iteration method to a prey and predator model with variable coefficientstext