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4 marksLinear Programming

CSEC Mathematics · May/June 2007 · Paper 2 · Question 10(d)

Three packets of stars were selected for inspection with contents: A (25 gold, 20 silver), B (35 gold, 15 silver), C (30 gold, 25 silver).

Plot the points A, B and C on your graph. Hence determine which of the three packets satisfy ALL the conditions.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 10(a)Write down the inequalities to represent conditions (2) and (3).[2 marks]
  2. 10(b)Describe, in words, the condition represented by the inequality x < 2y.[2 marks]
  3. 10(c)Using a scale of 2 cm to represent 10 units on both axes, draw the graphs of ALL FOUR inequalities represented in the table above.[7 marks]

More practice: the rest of this paper · more Linear Programming questions · all CSEC Mathematics past papers