Respuesta :
The answer is 7 days because all you need to do is divide 4 by 2 then you see the each day he buys 2 souvenirs so the you time 2 by 7 because 7time 2 equals 14
Step-by-step explanation:
4/2=2 souvenirs per day
2x=14=>x=7 days time to buy 14 souvenirs
Hence the 6th day is the day before he buys 14 souvenirs.