Question
PSLE
A bag contains beads of three different colours. 12 of the beads are yellow. The ratio of the number of red beads to that of green beads is 4 : 1. What is the ratio of the number of red beads to that of yellow beads?
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PSLE
A bag contains beads of three different colours. 12 of the beads are yellow. The ratio of the number of red beads to that of green beads is 4 : 1. What is the ratio of the number of red beads to that of yellow beads?