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1.7 D: Sequences and series

1.7 D: Sequences and series

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Question 87

Bob saves some money every week. He saves £2.20 in the first week, £2.40 in the second week, £2.60 in the third week, and so on until week 100. His weekly savings form an arithmetic sequence.

a.

Find the amount he saves in week 100.

[3]
b.

Calculate his total savings over the 100 week period.

[3]
Markscheme

1.7 D: Sequences and series Questions

  1. A Level
  2. /Maths
  3. /1.7 D: Sequences and series

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.

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