Question
PSLE
Mr Chen asked some students to choose their favorite colour for a vest. The results are shown in the graph.
  1. What is the ratio of the number of students who chose yellow to the number who chose blue to the number who chose black?
  2. Mr Chan ordered a total of 288 vests in the three colours according to the same ratio in part (a). How many more black than yellow vests were ordered?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Mr Chen asked some students to choose their favorite colour for a vest. The results are shown in the graph.
  1. What is the ratio of the number of students who chose yellow to the number who chose blue to the number who chose black?
  2. Mr Chan ordered a total of 288 vests in the three colours according to the same ratio in part (a). How many more black than yellow vests were ordered?