SOLUTION: A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the avera

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Question 841626: A total of 50 juniors and seniors were given a mathematics 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 test.
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Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

%2835%2A80+%2B+15%2A70%29%2F50+=+highlight%2877%29, the average score for all 50 students