Bonjour,
1)
3 000L -> 1h
3 000L -> 3 600s
1L -> 3 600/3 000
10 L -> (3 600*10)/ 3000 => 12s
2)
1 440L -> (3 600* 1 440)/ 3 000 =>1 728s
1 728 / 60 =>28mn et 48s
3)
60mn -> 3 000 L
1mn -> 3 000/60
12mn -> (3 000*12)/60 => 600L
4)
2 jours = 48h
3 000 *48 =>144 000 L = 144m³
