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How many different ways can you make 50p using 5p, 10p or 20p coins?

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How many different ways can you make 50p using 5p, 10p or 20p coins?
posted Jun 27, 2017 by anonymous

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1 Answer

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> Total 12 different ways.

  1. include two 20p coin - remaining are 10p can be completed by 2 ways ( include one or zero 10p coin ) -->> 2 methods
  2. include one 20p coin - remaining are 30p can be completed by 4 ways ( include three or two or one or zero 10p coin ) -->> 4 methods
  3. include zero 20p coin - remaining are 50p can be completed by 6 ways ( include 5/4/3/2/1/0 - 10p coin ) -->> 6 methods
    Total 2+4+6 = 12 methods.
answer Jun 28, 2017 by Pk Jinjawadiya
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