Răspuns :
Răspuns:
[tex]p+v+t=80\\\\p=2v+5\\\\t=3v+3\\\\2v+5+v+3v+3=80\\\\6v=80-8= > v=72:6= > v=12lei-vaporasul\\\\t=3*12+3= > t=39lei-trenul\\\\p=2*12+5= > p=29lei-papusa[/tex]
Răspuns:
[tex]p+v+t=80\\\\p=2v+5\\\\t=3v+3\\\\2v+5+v+3v+3=80\\\\6v=80-8= > v=72:6= > v=12lei-vaporasul\\\\t=3*12+3= > t=39lei-trenul\\\\p=2*12+5= > p=29lei-papusa[/tex]