Răspuns:
Explicație pas cu pas:
N-nr total de TV
I- 24N/100
II- 24N/100 * 1,5=24*1,5N/100
III- 24N/100 + 100=(24N+10000)/100
deci N=24N/100+36N/100+(24N+10000)/100
100N=24N+36N+24N+10000
100N=84N+10000
16N=10000
N=10000/16=625
I. 625*24/100=150
II. 150*1.5=225
III 150+100=250