3) 22+41=63 litri
7l.....100 km
63l.......x km
x=63x100:7=900 km parcurge cu benzina
brasov-buc-cta dus intors=492x2=984 km
el parcurge doar 900 km cu benzina pe care o are,deci nu ii ajunge
2)T+J=648
Tx3=J
T+3T=648 4T=648 T=648;4=162 dvd uri Tom
J=648-T-648-162=486 dvd uri jerry