Răspuns :
20%+30%+15%=65%(a construit firma in total in primele 3 zile)
100%-65%=35%(a construit firma in ultima zi)
R:35 kilometri
20%+30%+15%=65%(a construit firma in total in primele 3 zile)
100%-65%=35%(a construit firma in ultima zi)
R:35 kilometri