Question
PSLE
Mr Long asked some students to choose their favorite colour for a skirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose grey to the number who chose white to the number who chose yellow?
  2. Mr Lu ordered a total of 75 skirts in the three colours according to the same ratio in part (a). How many more yellow than grey skirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Long asked some students to choose their favorite colour for a skirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose grey to the number who chose white to the number who chose yellow?
  2. Mr Lu ordered a total of 75 skirts in the three colours according to the same ratio in part (a). How many more yellow than grey skirts were ordered?