Question
PSLE
Mr Choy asked some students to choose their favorite colour for a jacket. The results are shown in the graph.
  1. What is the ratio of the number of students who chose black to the number who chose red to the number who chose brown?
  2. Mr Peh ordered a total of 45 jackets in the three colours according to the same ratio in part (a). How many more brown than black jackets were ordered?
3 m
(a)

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(b)

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PSLE
Mr Choy asked some students to choose their favorite colour for a jacket. The results are shown in the graph.
  1. What is the ratio of the number of students who chose black to the number who chose red to the number who chose brown?
  2. Mr Peh ordered a total of 45 jackets in the three colours according to the same ratio in part (a). How many more brown than black jackets were ordered?