Question
PSLE
A bag contains marbles of three different colours. 112 of the marbles are green. The ratio of the number of red marbles to that of brown marbles is 3 : 1. What is the ratio of the number of green marbles to that of brown marbles?
2 m

Click button first when a symbol is required. X

PSLE
A bag contains marbles of three different colours. 112 of the marbles are green. The ratio of the number of red marbles to that of brown marbles is 3 : 1. What is the ratio of the number of green marbles to that of brown marbles?