Question
A bag contains brown and silver marbles in the ratio of 2 : 7. There is a total of 144 marbles in the bag. How many more brown marbles must be added into the bag so that the number of brown marbles will be the same as the number of silver marbles?
2 m

Click button first when a symbol is required. X

A bag contains brown and silver marbles in the ratio of 2 : 7. There is a total of 144 marbles in the bag. How many more brown marbles must be added into the bag so that the number of brown marbles will be the same as the number of silver marbles?