Question
PSLE
Mr Thia asked some students to choose their favorite colour for a vest. The results are shown in the graph.
  1. What is the ratio of the number of students who chose grey to the number who chose black to the number who chose blue?
  2. Mr Kok ordered a total of 114 vests in the three colours according to the same ratio in part (a). How many more blue than grey vests were ordered?
3 m
(a)

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(b)

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PSLE
Mr Thia asked some students to choose their favorite colour for a vest. The results are shown in the graph.
  1. What is the ratio of the number of students who chose grey to the number who chose black to the number who chose blue?
  2. Mr Kok ordered a total of 114 vests in the three colours according to the same ratio in part (a). How many more blue than grey vests were ordered?