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CSEC Mathematics · January 2016 · Paper 2 · Question 1(b)

A diagram shows two jars of peanut butter of the same brand. Jar A costs 2.14 for 150 g. Jar B costs 6.50 for 400 g.

Which of the jars shown above is the BETTER buy? Show ALL working to support your answer.

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Other parts of this question

  1. 1(a)Using a calculator, or otherwise, calculate the EXACT value of (3.6 + √51.84) ÷ 3.75[2 marks]
  2. 1(c)Calculate: The interest, in dollars, earned after six months[2 marks]
  3. 1(c)(ii)The TOTAL amount of money in his account after 3 years[2 marks]
  4. 1(c)(iii)How long it will be before his investment earns $449.40[2 marks]

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