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3 marksVenn Diagrams

CSEC Mathematics · January 2006 · Paper 2 · Question 3(b)(i)

On a certain day, 300 customers visited a bakery that sells bread and cakes. 70 customers bought cakes only, 80 customers bought neither bread nor cakes, 2x customers bought bread only, and x customers bought both bread and cakes. U represents the set of customers visiting the bakery on that day, B represents the set of customers who bought bread, and C represents the set of customers who bought cake.

Copy and complete the Venn diagram to illustrate the information.

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Other parts of this question

  1. 3(a)Given the formula s = 1/2(u + v)t, express u in terms of v, s, and t.[3 marks]
  2. 3(b)(ii)Write an expression in x to represent the TOTAL number of customers who visited the bakery on that day.[2 marks]
  3. 3(b)(iii)Calculate the number of customers who bought bread ONLY.[3 marks]

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