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3 marksApproximation

CSEC Mathematics · May/June 2010 · Paper 2 · Question 1(a)(ii)

This question requires determining exact values and performing calculations related to a business scenario involving T-shirts.

Determine the EXACT value of: 2.5^2 - 2.89/17, giving your answer correct to 2 significant figures

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Other parts of this question

  1. 1(a)(i)Determine the EXACT value of: (1 1/2 - 2/5) / (4/5 * 3/4)[3 marks]
  2. 1(b)(i)Calculate the cost of ONE T-shirt.[1 mark]
  3. 1(b)(ii)Calculate the amount of money Mrs. Jack received after selling ALL of the T-shirts[1 mark]
  4. 1(b)(iii)Calculate the TOTAL profit made[1 mark]
  5. 1(b)(iv)Calculate the profit made as a percentage of the cost price, giving your answer correct to the nearest whole number.[2 marks]

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