Question
PSLE
Mr Teo asked some pupils to choose their favorite colour for a t-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 red to the number who chose silver?
  2. Mr Lee ordered a total of 168 t-shirts in the three colours according to the same ratio in part (a). How many more silver than grey t-shirts were ordered?
3 m
(a)

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(b)

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PSLE
Mr Teo asked some pupils to choose their favorite colour for a t-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 red to the number who chose silver?
  2. Mr Lee ordered a total of 168 t-shirts in the three colours according to the same ratio in part (a). How many more silver than grey t-shirts were ordered?