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2 marksProblem Solving with Venn Diagrams

CSEC Mathematics · May/June 2010 · Paper 2 · Question 3(a)(iii)

A survey was conducted among 40 tourists. The results were: 28 visited Antigua (A), 30 visited Barbados (B), 3x visited both Antigua and Barbados, x visited neither Antigua nor Barbados.

Calculate the value of x.

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Other parts of this question

  1. 3(a)(i)Copy and complete the Venn diagram below to represent the given information above.[2 marks]
  2. 3(a)(ii)Write an expression, in x, to represent the TOTAL number of tourists in the survey.[2 marks]

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