3/3-1/3=2/3 partea parcursa a treia zi
2/3din rest=55,3
restul=3x55,3/2=165,9/2=82,95
100%-25%=75%
75% din drum=82,95
75/100xdrum=82,95
drumul=82,95x100/75=8295/75=110,6
sau grafic
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25% 1/3 55,3
55,3 reprezinta jumatate din drum=> drumul =55,3x2=110,6