no...
fifty is definitely on the F side two out of four is usually a C which is 70-77.5 but if it's a college that is used to Israeli students and familiar with the grading system there (which I doubt in light of their admission requirement) they won't simply convert 75 into 2 b/c of the bonus thing you get for each 4 or 5 point Bagrut. The only way to bypass that is to calculate the grade in each subject separately and exclude bonuses