James decides to learn a new language. He learns 5 new words on the first day, 8 new words on the second day, 11 new words on the third day, and so on for 50 days. The number of words he learns each day forms an arithmetic sequence.
Find the number of words he learns on day 50.
Calculate the total number of words he learns over the 50 day period.
20 exam-style questions on OCR (MEI) A Level Maths 1.6.17 Sequences and series in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.