Question
PSLE
Mr Yang 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 black to the number who chose brown?
  2. Mr Loo ordered a total of 128 shirts in the three colours according to the same ratio in part (a). How many more brown than blue shirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Yang 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 black to the number who chose brown?
  2. Mr Loo ordered a total of 128 shirts in the three colours according to the same ratio in part (a). How many more brown than blue shirts were ordered?