Question
PSLE
Mr Chan 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 white to the number who chose blue to the number who chose silver?
  2. Mr Lu ordered a total of 280 sweaters in the three colours according to the same ratio in part (a). How many less blue than white sweaters were ordered?
3 m
(a)

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(b)

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PSLE
Mr Chan 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 white to the number who chose blue to the number who chose silver?
  2. Mr Lu ordered a total of 280 sweaters in the three colours according to the same ratio in part (a). How many less blue than white sweaters were ordered?