1.651*5+1=3256
2. 2 ore.........................................140km
5 ore...........................................x km
10 ore..........................................x km
2/5=140/x<=>2x=140*5<=>2x=700<=>x=700/2<=>x=350km
2/10=140/x<=>2x=140*10<=>2x=1400<=>x=1400/2<=>x=700km
La restu iti trimit mesaj