Răspuns :
80 probleme in total
probleme ramase = 80 - 40%din80 = 80-32 = 48 probleme ramase.
probleme ramase = 80 - 40%din80 = 80-32 = 48 probleme ramase.
40% din 80= 40/100 *80= 2/5 *80= 2*16= 32 a rezolvat in primele 3 zile
80-32= 48 i-au mai ramas
80-32= 48 i-au mai ramas