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3 marksConsumer Arithmetic Applications

CSEC Mathematics · May/June 2013 · Paper 2 · Question 1(b)

Smiley Orange Juice is sold in cartons of two different sizes at the prices shown in the table. Carton Size: 350 ml, Cost: 4.20. Carton Size: 450 ml, Cost: 5.13.

Which size carton of orange juice is the BETTER 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)Using a calculator, or otherwise, calculate the EXACT value of 1 4/5 - 1/3 / 2 2/5.[2 marks]
  2. 1(a)(ii)Using a calculator, or otherwise, calculate the EXACT value of √1.5625 + (0.32)².[2 marks]
  3. 1(c)(i)Calculate the interest on the loan for the first year.[1 mark]
  4. 1(c)(ii)How much did she still owe at the beginning of the second year?[2 marks]
  5. 1(c)(iii)Calculate the interest on the remaining balance for the second year.[1 mark]

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