Question
PSLE
Mr Yang asked some students to choose their favorite colour for a sweater. The results are shown in the graph.
  1. What is the ratio of the number of students who chose silver to the number who chose black to the number who chose purple?
  2. Mr Chye ordered a total of 154 sweaters in the three colours according to the same ratio in part (a). How many more purple than silver sweaters 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 sweater. The results are shown in the graph.
  1. What is the ratio of the number of students who chose silver to the number who chose black to the number who chose purple?
  2. Mr Chye ordered a total of 154 sweaters in the three colours according to the same ratio in part (a). How many more purple than silver sweaters were ordered?