Question
PSLE
Mr Cheong asked some pupils to choose their favorite colour for a windbreaker. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose red to the number who chose black to the number who chose blue?
  2. Mr Sim ordered a total of 230 windbreakers in the three colours according to the same ratio in part (a). How many more blue than red windbreakers were ordered?
3 m
(a)

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(b)

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PSLE
Mr Cheong asked some pupils to choose their favorite colour for a windbreaker. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose red to the number who chose black to the number who chose blue?
  2. Mr Sim ordered a total of 230 windbreakers in the three colours according to the same ratio in part (a). How many more blue than red windbreakers were ordered?