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

Click button first when a symbol is required. X

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