Question
PSLE
Mr Yap asked some students to choose their favorite colour for a blazer. 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 purple to the number who chose grey?
  2. Mr Kong ordered a total of 90 blazers in the three colours according to the same ratio in part (a). How many more grey than white blazers were ordered?
3 m
(a)

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(b)

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PSLE
Mr Yap asked some students to choose their favorite colour for a blazer. 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 purple to the number who chose grey?
  2. Mr Kong ordered a total of 90 blazers in the three colours according to the same ratio in part (a). How many more grey than white blazers were ordered?