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1 markNumerical Expressions

CSEC Mathematics · 2022 · Paper 2 · Question 1(a)(i)a)

Calculations involving arithmetic operations and approximations.

Using a calculator, or otherwise, find the EXACT value of \frac{7}{8} + \frac{1}{6} \div \frac{2}{9}.

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Other parts of this question

  1. 1(a)(i)b)Find the EXACT value of \frac{8}{0.4^3}.[1 mark]
  2. 1(a)(ii)Find the value of \sqrt{26.8 - 2.5^{\frac{3}{2}}}, correct to 2 decimal places.[1 mark]
  3. 1(b)(i)Bananas cost $3.85 per kilogram. Ms Rekha buys 25 kg of bananas and receives a discount of 12%. How much money does she spend on bananas?[2 marks]
  4. 1(b)(ii)Ms Rekha spends $165.31, inclusive of a sales tax of 15%, on oranges. Calculate the original price of the oranges.[2 marks]
  5. 1(b)(iii)The ratio of the number of bananas to the number of oranges is 2:3. Furthermore, there are 24 more oranges than bananas. Calculate the number of bananas Ms…[2 marks]

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