What was the average score for all 50 stundents who took the test?

A Total of 50 Juniors and Seniors were given a math test. 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test?|||35 juniors by 80=2800


15 seniors by 70=1050


then subtract 2800-1050=1750


so the average score for all 50 students is 1750