Answer
The difference in amount is 5/9
Explanation:
The jug is 2/3 full before lunch
After lunch, it is 1/9 full
Difference in amount before and after lunch can be calculated as follows
Step 1: Set up a fraction
2/3 - 1/9
Step 2: Find the common denominator
The common denominator = 9
2/3 - 1/9 / 9
6 - 1 / 9
5/9
Therefore, the difference in amount is 5/9
