Marinada '23

[lang=hr] U nekoj osnovnoj školi postoji $3$ kluba: novinarski, rukometni i fotografski. Novinarski klub broji $45$ učenika - od toga $5$ rukometaša. Fotografski klub ima $3$ člana više nego rukometni. $3$ učenika su i u rukometnom i u fotografskom klubu, a točno pola onih u rukometnom ne idu na ostale aktivnosti. Ljudi koji su u svim klubovima je $37$ puta manje od onih koji nisu ni u jednom klubu, a ukupan broj učenika je za $20$ veći od dvostrukog broja onih koji su u novinarskom klubu, ali ne igraju rukomet. Koliko učenika iz fotografskog kluba ide na novinarstvo? [/lang] [lang=en] In one elementary school there are $3$ clubs: journalism, handball, and photography. The journalism club has $45$ students - of which $5$ are handball players. The photography club has $3$ members more than the handball club. There are $3$ students who are members of both the handball and photography clubs, and exactly half of those in handball do not participate in other activities. The number of people who are in all clubs is $37$ times less than those who are not in any club, and the total number of students is $20$ greater than double the number of those who are in the journalism club but do not play handball. How many students from the photography club are in journalism? [/lang]