Question

dupa o reducere cu 20% o carte costa 96 de lei. determinati pretul cartii inainte de reducere.

Answer 1

[tex]x=pretul\ initial\\ x-\frac{20x}{100}=96\\ \frac{80x}{100}=96\\ 80x=9600\\ x=120 lei[/tex]

Answer 2

100%-20%=80% 80%=96 20%=96:(80:20) 20%=96:4 20%=24 100%=24*(100:20) 100%=24*5 100%=120