Question
PSLE
A bag contains beads of three different colours. 16 of the beads are brown. The ratio of the number of yellow beads to that of red beads is 9 : 1. What is the ratio of the number of yellow beads to that of brown beads?
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PSLE
A bag contains beads of three different colours. 16 of the beads are brown. The ratio of the number of yellow beads to that of red beads is 9 : 1. What is the ratio of the number of yellow beads to that of brown beads?