Răspuns:
|__|__|__|__|__|__|__|__| drumul
|__|__|__|+20 in prima zi
|__|__|__|__|
|__|+10 in a 2 a zi
|__|__|__|__|__|
|__|__|__| in a 3 a zi
|__|=60
60×3+20=180+20=200(a parcurs in a 3 a zi)
200÷5+10=40+10=50(a parcurs in a 2 a zi)
50×3+20=150+20=170(a parcurs in prima zi)
60+200+50+170=480( a parcurs in total
Explicatie pas cu pas:Sper ca e bine!Succes la scoala!