We know that out of 100, 60 points pass and 80 points are excellent. The math test paper of the college entrance examination 150, so at least I got a pass, one.
150× (60 ÷100) =150× 60% = 90 (points). Pass at least 90 points.
150× (80 ÷100) =150× 80% 120 (point)17 point <120. Is he good? (no).