Question
PSLE
Mr Song asked some students to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose blue to the number who chose purple to the number who chose black?
  2. Mr Neo ordered a total of 126 shirts in the three colours according to the same ratio in part (a). How many less purple than blue shirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Song asked some students to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of students who chose blue to the number who chose purple to the number who chose black?
  2. Mr Neo ordered a total of 126 shirts in the three colours according to the same ratio in part (a). How many less purple than blue shirts were ordered?