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3 marksNumerical Expressions

CSEC Mathematics · January 2012 · Paper 2 · Question 1(a)(i)

This question involves calculations with fractions and decimals, and problem-solving related to wages and overtime.

Using a calculator, or otherwise, calculate the EXACT value of (3 1/4)^2 ÷ 3 1/2, expressing your answer as a fraction.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 1(a)(ii)Calculate √0.0529 + 0.216, expressing your answer in standard form.[3 marks]
  2. 1(b)(i)Calculate the typist's basic weekly wage.[1 mark]
  3. 1(b)(ii)Calculate the overtime wage for ONE hour of overtime work.[1 mark]
  4. 1(b)(iii)Calculate the wage she would earn for overtime if she worked for a TOTAL of 52 hours during a given week.[2 marks]
  5. 1(b)(iv)Calculate the number of overtime hours she must work during a given week to earn a TOTAL wage of $1440.[2 marks]

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