The number of rabbits in a field t t\,t days from now is Pt P_t\,Pt where
P0=220 P_0 = 220 P0=220 Pt+1=1.15(Pt−20) P_{t+1} = 1.15(P_t - 20) Pt+1=1.15(Pt−20)Work out the number of rabbits in the field 3 days from now.
123 exam-style questions on AQA GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.