How many se foloseste la countable plural nouns (ex how many tissues? how many books?), adica se foloseste la obiecte pe care le poti numara( in cazul in care obiectul este la plural)
How much se foloseste la uncountable nouns( ex how much time? how much effort?), adica se foloseste la lucruri neclare care nu se pot numara( timpul, efortul, apa, zahar,....)