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.
20 exam-style questions on OCR A Level Maths 1.4.11 Modelling with sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.