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3 marksNumerical Expressions

CSEC Mathematics · January 2010 · Paper 2 · Question 1(a)

This question involves calculations with real numbers, percentages, and ratios related to a salesman's income and pancake recipes.

Using a calculator, or otherwise, calculate the exact value of 2.76/0.8 + 8.7^2.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 1(b)(i)Calculate his fixed salary for the year.[1 mark]
  2. 1(b)(ii)Calculate the amount he received in commission for the year.[1 mark]
  3. 1(b)(iii)Calculate his TOTAL income for the year.[1 mark]
  4. 1(c)(i)Calculate the number of cups of pancake mix he must use.[2 marks]
  5. 1(c)(ii)How many pancakes did she make?[3 marks]

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