Répondre :
Soit x le plein de départ
X- ((1/4)x -( (2/3)* ((1/4)x) ) =25
(3/4)x- (2/12)x =25
(7/12)x = 25
X= 25/(7/12) =43l environ
X- ((1/4)x -( (2/3)* ((1/4)x) ) =25
(3/4)x- (2/12)x =25
(7/12)x = 25
X= 25/(7/12) =43l environ