Question
PSLE
Mr Heng 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 white to the number who chose grey to the number who chose purple?
  2. Mr Goh ordered a total of 144 vests in the three colours according to the same ratio in part (a). How many more purple than white vests were ordered?
3 m
(a)

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(b)

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PSLE
Mr Heng 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 white to the number who chose grey to the number who chose purple?
  2. Mr Goh ordered a total of 144 vests in the three colours according to the same ratio in part (a). How many more purple than white vests were ordered?