The number of people living in a town t t\,t years from now is Pt P_t\,Pt where
P0=k P_0 = k P0=k Pt+1=1.1(Pt−100) P_{t+1} = 1.1(P_t - 100) Pt+1=1.1(Pt−100)Work out, in terms of kkk, the number of people in the town 3 years from now.
124 exam-style questions on OCR GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.