Question
A bag contains grey and gold marbles in the ratio of 2 : 11. There is a total of 78 marbles in the bag. How many more grey marbles must be added into the bag so that the number of grey marbles will be the same as the number of gold marbles?
2 m

Click button first when a symbol is required. X

A bag contains grey and gold marbles in the ratio of 2 : 11. There is a total of 78 marbles in the bag. How many more grey marbles must be added into the bag so that the number of grey marbles will be the same as the number of gold marbles?