10 Students took part in the math contest, and their scores were 80 points, with the excess being positive and the deficiency being negative. Scores are recorded as follows:+1 1,+14,–9,–7,–8, +2, so this is 18. What is the total score?

The sum of the scores of students who passed or failed in this 10 is+1+14–9–7–8+2 = 3.

The total score is 80× 10+3=803.