A new technology company manufactures 400 tablets in its first month of operation. In the second month, it manufactures 450 tablets, and in the third month, it manufactures 500 tablets. This pattern of monthly production increases by a constant amount each month until month 18.
Find the number of tablets manufactured in month 18.
Calculate the total number of tablets manufactured over the 18 month period.
178 exam-style questions on Edexcel A Level Maths Sequences and Series, covering 3.1 Arithmetic Sequences, 3.2 Arithmetic Series, 3.3 Geometric Sequences, 3.4 Geometric Series, 3.5 Sum to Infinity, 3.6 Sigma Notation, 3.7 Recurrence Relations, and 3.8 Modelling with Series. Each one has a worked solution and a mark scheme showing where the marks go.