Bonsoir
On va tout mettre au même dénominateur
On mets tout /30
4/15 —— 8/30 the first day
2/5 ——— 12/30 the second day
7/30 on the third day
The total of the 3 days is 8/30 + 12/30 + 7/30 = 27/30
No she hasn’t finished yet
There is 3/30 of the pose to finish
Bonne soirée