Answer :
Im gonna go and guess that 2/5 means two and a half (2.5 or 2,5 I always forget that :D)
Anyway:
2.5 tbsp = 6 muffins
3*2.5 tbsp = 3*6 muffins
7.5 tbsp = 18 muffins
Anyway:
2.5 tbsp = 6 muffins
3*2.5 tbsp = 3*6 muffins
7.5 tbsp = 18 muffins
