A mixture of 100 liters of salt and water contains 20% salt . How much more water should be added so that water becomes 90% of the new mixture?
1
80 liters
2
90 liters
3
100 liters
4
120 liters
A mixture of 100 liters of salt and water contains 20% salt . How much more water should be added so that water becomes 90% of the new mixture?