Bonsoir,
2,30-0,01=2,29
2,29*3*5=34,35m3
10-3=7
1,20-0,01=1,19
1,19*5*7=41,65m3
34,35+41,64=75,99m3
1m3=1000L
75,99m3=75990L
75990:40=1889,75min
1889min=31h29min
0,75min=45s
31h=1jour 7h
1889,75min=1jour7h29min45s
Il va falloir 1jour7h29min45s pour le remplissage de la piscine.