Răspuns:
Alina:
88p...x%
110p...100%
88/110=x/100
x=88×100/110=80%
Bogdan:
93p...x%
110p...100%
93/110=x/100
×=93×100/110=84,(54)%
Ovidiu:
101...x%
110...100%
101/110=x/100
x=101×100/110=91,(81)%
Ana:
58p...x%
110p...100%
58/110=x/100
x=58×100/110=52,(72)%
Cistin:
95p...x%
110p...100%
95/110=x/100
x/95×100/110=82,(36)%
Mihaela:
99p...x%
110p...100%
99/110=x/100
x=99×100/110=90%