cantitatea totală = x
[tex]x= \frac{36x}{100}+(x- \frac{36x}{100}) \frac{3}{4}+124 [/tex]
[tex]x= \frac{36x}{100}+( \frac{100x}{100}- \frac{36x}{100}) \frac{3}{4}+124[/tex]
[tex]x= \frac{36x}{100}+ \frac{48x}{100}+124 [/tex]
[tex]x= \frac{84x}{100}+124[/tex]
[tex]100x=84x+12400[/tex]
[tex]16x=12400[/tex]
[tex]x= \frac{12400}{16} [/tex]
[tex]x=775[/tex]