Răspunsuri

  • Utilizator Brainly
2014-09-16T15:34:20+03:00
X=pretul initial

x+30x/100=156
100x+30x=15600
130x=15600
x=15600:130
x=120 


1 5 1
2014-09-16T15:45:56+03:00
X=pretul initial

x+30x/100=156
100x+30x=15600
130x=15600
x=15600:130
x=120