Question
PSLE
A bag contains beads of three different colours. 15 of the beads are brown. The ratio of the number of yellow beads to that of blue beads is 1 : 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. 15 of the beads are brown. The ratio of the number of yellow beads to that of blue beads is 1 : 1. What is the ratio of the number of yellow beads to that of brown beads?