lungimea drumului
|____|____|____|____|____|____|
prima zi
|____|
rest1 |____|____|____|____|____|
a 2-a zi
|____|____|____|
rest2 |____|____|
a 3-a zi
|____|
rest3 |____| 50 km
a 4-a zi
|____| 50 km
6 × 50 = 300 km (lungimea drumului)
prima zi
50 km
a 2-a zi
3 × 50 = 150 km
a 3-a zi
50 km
a 4-a zi
50 km
Verificare:
50+150+50+50 = 300