Question
PSLE
Mr Quek asked some students to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose white to the number who chose black to the number who chose blue?
  2. Mr Yang ordered a total of 140 shirts in the three colours according to the same ratio in part (a). How many more blue than white shirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Quek asked some students to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose white to the number who chose black to the number who chose blue?
  2. Mr Yang ordered a total of 140 shirts in the three colours according to the same ratio in part (a). How many more blue than white shirts were ordered?