Răspuns :
a+b=120
a/b=5/3 sau 3a=5b =>a=5b/3
5b/3 + b = 120
5b+3b=360
8b=360
b=45 =>a=75 km parcursi in prima ora
a/b=5/3 sau 3a=5b =>a=5b/3
5b/3 + b = 120
5b+3b=360
8b=360
b=45 =>a=75 km parcursi in prima ora