Orchard A produces 180 kg of fruit in the first year and the annual production increases by 60 kg each subsequent year. Orchard B produces 400 kg of fruit in the first year and its annual production increases by 20 kg each subsequent year.
After how many years will the total amount of fruit produced by Orchard A and Orchard B be the same.
308 exam-style questions on AQA A Level Maths 1.7 D: Sequences and series, covering 1.7.1 Binomial expansion, 1.7.2 Types of sequence (A-level only), 1.7.3 Sigma notation (A-level only), 1.7.4 Arithmetic sequences and series (A-level only), 1.7.5 Geometric sequences and series (A-level only), and 1.7.6 Sequences and series in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.