Question
PSLE
Mr Lee asked some pupils to choose their favorite colour for a blazer. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose green to the number who chose black to the number who chose blue?
  2. Mr Lu ordered a total of 144 blazers in the three colours according to the same ratio in part (a). How many more blue than green blazers were ordered?
3 m
(a)

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(b)

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PSLE
Mr Lee asked some pupils to choose their favorite colour for a blazer. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose green to the number who chose black to the number who chose blue?
  2. Mr Lu ordered a total of 144 blazers in the three colours according to the same ratio in part (a). How many more blue than green blazers were ordered?