Question
PSLE
Mr Koh 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 purple to the number who chose red to the number who chose black?
  2. Mr Sher ordered a total of 161 windbreakers in the three colours according to the same ratio in part (a). How many more black than purple windbreakers were ordered?
3 m
(a)

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(b)

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PSLE
Mr Koh 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 purple to the number who chose red to the number who chose black?
  2. Mr Sher ordered a total of 161 windbreakers in the three colours according to the same ratio in part (a). How many more black than purple windbreakers were ordered?