Question

72.90 litres of mixture contains milk and water in the ratio 7:2 .How much more water must be added to this mixture so that the ratio of the milk and water may be 7:3

Answer 1

Step-by-step explanation:

Current Ratio = 7:2 = 9 parts

Expected ratio = 7:3 = 10 parts

Increase in Water = 1 part = 72.90 * 1/9

= 8.1 liters of water