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3 marksNumber Theory and Computation Problems

CSEC Mathematics · May/June 2008 · Paper 2 · Question 8(c)(i)

She had to post a parcel and the total cost of postage was $25.70. She must select stamps from the collection to make up this amount.

What is the LARGEST number of stamps that she can use from the collection to post the parcel?

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Other parts of this question

  1. 8(a)What was the TOTAL cost of the stamps?[2 marks]
  2. 8(b)(i)What stamps can she select from the collection, to make up this amount if she must use as many $4.00 stamps as possible?[3 marks]
  3. 8(b)(ii)What stamps can she select from the collection, to make up this amount if she must use all her $1.00 stamps?[2 marks]
  4. 8(c)(ii)List the selection of stamps she can use.[3 marks]

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