a+b =73.31 ; a+3.51 /2.4 =b inlocuim pe b in prima relatie
a + a +3.51 /2.4 =73.31 ;numitor comun 2.4
2.4a +a +3.51 =175.94
3.4a =175.94 -3.51
3.4a =172.43
a =50.71
a +b =73.31
50.71 +b =73.31
b =73.31 -50.71
b =22.60
(b =50.71+3.51/2.4 =22.59 aprox . 22.60 )
