Answer:
1.8 weeks
Explanation:
The number of weeks it takes for consuming the 3 gallons of milk is as follows:
It is given that the total of 10 gallons of milk drink for every 6 week i.e. 5 by 3
Now in order to determine the weeks we have to reciprocal the ratio i.e. 3 by 5
Now for 3 gallons it would be

= 1.8 weeks