Răspuns :
1.
120 + 15%*120 = 120 + 15*120/100 = 120 + 18 = 138 cm
2.
840 000........ 12%
x .......................100%
x = 840 000*100/12 = 7 000 000 suma publicitate
1.
120 + 15%*120 = 120 + 15*120/100 = 120 + 18 = 138 cm
2.
840 000........ 12%
x .......................100%
x = 840 000*100/12 = 7 000 000 suma publicitate