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Ajutttttttttoooooooor​

Ajutttttttttoooooooor class=

Răspuns :

Daca a parcurs deja 30%, inseamna ca au mai ramas 70%, care reprezinta 8.4km

Fie d tot drumul.

70% din d = 8.4km

70/100×d=8.4

d=8.4×100/70=8.4×10/7=84/7=12km.

Raspuns: b) 12km