In a mixture of 60 liters, the ratio of milk and water is 4:1. What amount of water must be added to make the ratio of milk and water as 1:4?	Choose the correct option
A) 60 liters  B) 42 liters  C) 68 liters  D) 65 liters  E) 62 liters
4:1 --- 60   1:4   2:8   ---------------   5   5 ----------- 60   5 ----------- ? =&gt; 60 liters   60 litersNSWER:60 liters
<result>A</result>
In a mixture of 60 liters, the ratio of milk and water is 4:1. What amount of water must be added to make the ratio of milk and water as 1:4?