20*31=620
620/2=310
20/2=10
31/2=15.5
The dimensions should be 10*15.5
The answer to this question is 5 days

Look at the picture.
The common part does not exist.
Find out how much you filled.
2.92 + 3.14 = 6.06 L
Find the remaining.
8.23 L - 6.06 L = 2.17 L
You need 2.17 L more to fill the water jug
0-11/5-17=11/12 is the answer to your question. The work is the equation.