The number of bees in a hive t t\,t weeks from now is Pt P_t\,Pt where
P0=150 P_0 = 150 P0=150 Pt+1=1.2(Pt−20) P_{t+1} = 1.2(P_t - 20) Pt+1=1.2(Pt−20)Work out the number of bees in the hive 3 weeks from now.
124 exam-style questions on Eduqas GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.