Question
PSLE
Mr Ma asked some students to choose their favorite colour for a sweater. The results are shown in the graph.
  1. What is the ratio of the number of students who chose yellow to the number who chose purple to the number who chose grey?
  2. Mr Long ordered a total of 168 sweaters in the three colours according to the same ratio in part (a). How many more grey than yellow sweaters were ordered?
3 m
(a)

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(b)

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PSLE
Mr Ma asked some students to choose their favorite colour for a sweater. The results are shown in the graph.
  1. What is the ratio of the number of students who chose yellow to the number who chose purple to the number who chose grey?
  2. Mr Long ordered a total of 168 sweaters in the three colours according to the same ratio in part (a). How many more grey than yellow sweaters were ordered?