Răspuns :

lei 4 ciocolate:

4×2,35=9,4

14,60-9,4=5,2 (lei napolitane)

5,2:0,65=8 (napolitane)

Răspuns:

x•0,65 + 4•2,35 =14,60

x•0,65 + 9,40 = 14,60

x•0,65 = 14,60 - 9,40

x•0,65 = 5,20

x = 5,20 : 0,65

x = 520 : 65

x = 8