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3 marksComparing Quantities

CSEC Mathematics · May/June 2016 · Paper 2 · Question 1(c)

Orange juice is sold in cartons of three different sizes with corresponding selling prices: 350 ml for 4.20, 450 ml for 5.35, and 500 ml for $5.80.

Which size of orange juice is the most cost-effective buy? Justify your answer.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 1(a)(i)Calculate 3 3/8 - 2 1/4 / 1 1/2, giving your answer as a fraction in its lowest terms.[2 marks]
  2. 1(a)(ii)Calculate (2.86 + 0.75) + 0.481^2 giving your answer correct to 2 decimal places.[2 marks]
  3. 1(b)(i)Calculate the selling price (paid cash).[2 marks]
  4. 1(b)(ii)Calculate the profit or loss as a percentage of the cost price.[2 marks]

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