A mixture of wine and water contains 80% wine. In 50 liters of such a mixture, how many liters of water are required to increase the percentage of water to 50%?
1
20
2
30
3
10
4
40
A mixture of wine and water contains 80% wine. In 50 liters of such a mixture, how many liters of water are required to increase the percentage of water to 50%?