Răspuns :
[tex]\text{Notezi cu x pretul initial.}\\
x-\dfrac{25}{100}x-\dfrac{8}{100}\left(x-\dfrac{25}{100}x\right)=1600\\
x-\dfrac{x}{4}-\dfrac{2}{25}\left(x-\dfrac{x}{4}\right)=1600\\
\dfrac{3x}{4}-\dfrac{2}{25}\cdot \dfrac{3x}{4}=1600 |\cdot 100\\
\\
75x-6x=1600\\
69x=160000\\
\boxed{x=2318,84\ lei}[/tex]
1600+(8*1600)/100=1600+128=1728, pretul inainte de a doua reducere
1728+(25*1728)/100=1728+432=2160=pretul initial al produsului
1728+(25*1728)/100=1728+432=2160=pretul initial al produsului