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4MA1/2F Jun 2019, Question 8: Earnings and Deductions

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 6 marks

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The question, in short

Nina buys 8 pencils at $0.58 each and 13 identical rulers totalling $23.62; find each ruler's cost. Bjorn has $15 and pens cost $0.62; find his change after buying as many as possible.

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Part (a) · 3 marks

Given 8 pencils at $0.58 each and a total of $23.62, work out the cost of one of the 13 identical rulers.

  1. 18 pencils cost 8 × 0.58 = 4.64
  2. 213 rulers cost 23.62 − 4.64 = 18.98
  3. 3One ruler = 18.98 ÷ 13 = 1.46

Answer1.46

Part (b) · 3 marks

With $15 and pens at $0.62 each, work out the change left after buying the maximum number of pens.

  1. 115 ÷ 0.62 = 24.19…
  2. 2He can buy 24 pens
  3. 324 × 0.62 = 14.88
  4. 4Change = 15 − 14.88 = 0.12

Answer0.12

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