Question
PSLE
Mr Lin asked some pupils to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose grey to the number who chose brown to the number who chose blue?
  2. Mr Teo ordered a total of 42 shirts in the three colours according to the same ratio in part (a). How many more blue than grey shirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Lin asked some pupils to choose their favorite colour for a shirt. The results are shown in the graph.
  1. What is the ratio of the number of pupils who chose grey to the number who chose brown to the number who chose blue?
  2. Mr Teo ordered a total of 42 shirts in the three colours according to the same ratio in part (a). How many more blue than grey shirts were ordered?