Question
PSLE
Mr Chye asked some pupils to choose their favorite colour for a coat. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose black to the number who chose blue to the number who chose green?
  2. Mr Chia ordered a total of 175 coats in the three colours according to the same ratio in part (a). How many less blue than black coats were ordered?
3 m
(a)

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(b)

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PSLE
Mr Chye asked some pupils to choose their favorite colour for a coat. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose black to the number who chose blue to the number who chose green?
  2. Mr Chia ordered a total of 175 coats in the three colours according to the same ratio in part (a). How many less blue than black coats were ordered?