← Separable differential equations in contextQuestion 1 of 46 · AS91579

A

A Fiordland stoat population P satisfies dP/dt = −0.15P, where t is the time in months, and P = 400 when t = 0.

Only your final answer is marked, not your working.

A(a) Find P in terms of t.

A(b) Rangers plan a trapping review for when the population falls to 100. Find when this happens.