Răspunsuri

  • Utilizator Brainly
2014-02-24T19:37:00+02:00
4/13 reprezinta 80 km ⇒ 1/13=20 km ⇒ lungimea traseului este:20·13=260 km.
Deci au ramas de parcurs 260-80=160 km pentru cele doua zile.
Consideram ca a parcurs x km in ziua a treia, in a doua a parcurs 4x/3 ⇒ x+4x/3=
7x/3=160 ⇒ 7x=480, x=68, 56 km, 4x/3=91,44 km.