Solution du 13ème exercice du 3ème degré

VNA = VO – AC
44950 = ( 53600 – 24200) – AC
32850 = ( 53600 x Tx /100) 3,33 + ( 24200 x Tx /100) 1,66
= 1784,88 x Tx + 401,72 x T x = 2186,6 x Tx
Tx = 32850/2186,6 = 15%