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3 marksNumerical Expressions

CSEC Mathematics · January 2015 · Paper 2 · Question 1(a)

Using a calculator, or otherwise, calculate the EXACT value of (12.8)² - (30 ÷ 0.375).

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  1. 1(b)(i)Calculate the fraction of his monthly income spent on food.[2 marks]
  2. 1(b)(ii)Calculate the fraction of his monthly income that he saved.[2 marks]
  3. 1(c)(i)At Bank A, US 1.00 = BD 1.96. Calculate the value of US 700 in BD. US means United States dollars and BD means Barbados dollars.[2 marks]
  4. 1(c)(ii)At Bank B, the value of US 700 is BD 1 386. Calculate the value of US $1.00 in BDS at this bank.[2 marks]

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