SOLUTION: a total of 50 juniors and seniors were given a mathmatics test. the 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average
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Question 201307: a total of 50 juniors and seniors were given a mathmatics test. the 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?
A.73
B.75
c.76
d.77
e.78
(please tell and explain to me how you solved this problem because i have no idea on how to solve this right now)
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
D. 77
total the scores and divide by 50
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