Math 150 mark

English 150 points

Political 80 points

History 70 points

Physics 90 points

60 points in chemistry

The full marks of these seven courses are as above, ***750 points.

If you want to get 450 points, that's exactly the passing line of 60%. The corresponding score for each subject is

Chinese 90 points

90 points in mathematics

90 points in English

Political 48 points

History 42 points

Physics 54 points

Chemistry 36 points

So as long as each course reaches the passing line.