cine ma ajuta ii dau coroana

Răspuns:
¹⁰⁰⁾x+75x/100=¹⁰⁰⁾91
100x+75x=9100
x=9100:175
x=52 punctaj maxim
verificare:
75/100×52=75×52:100=39 puncte a acumulat celalalt
39+52=91 puncte in total