If #20# quarts of milk contains #2# quarts of butter fat, how much pure water would be need to be added to the milk to make it #4%# butter fat?
1 Answer
Jun 13, 2017
Explanation:
Suppose that the required amount of water that would need to be added was
The total resulting volume would be
The ratio of butter fat (given
We are told that this ratio needs to be
and
Noting that
We have, as a requirement: