Question
PSLE
Mr Yang asked some students to choose their favorite colour for a coat. 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 purple to the number who chose brown?
  2. Mr Chew ordered a total of 72 coats in the three colours according to the same ratio in part (a). How many more brown than grey coats 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 coat. 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 purple to the number who chose brown?
  2. Mr Chew ordered a total of 72 coats in the three colours according to the same ratio in part (a). How many more brown than grey coats were ordered?