Răspuns:
T*(110/100)*(125/100) = 330
T*(11/10)*(5/4)=330
T*11*5 / 10*4 = 330
T*11 / 2*4 = 330 |*8
11T = 330*8
11T = 2640
T = 2640/11 = 240
Televizorul a costat initial 240 lei
P*(80/100)*(125/100) = 180
P*(8/10)*(5/4) = 180
P*(4/5)*(5/4) = 180
P*4*5 / 5*4 = 180
P = 180
articolul a costat initial 180 lei ( !! )