SOLUTION: Show me how one arrive at the answer 77 for this problem. A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained and average score of 80 while t
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Question 576018: Show me how one arrive at the answer 77 for this problem. A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained and 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? I know the answer is 77. I'm just not sure how to arrive at this answer. Is there a algebra formula that one can use to solve this problem and if so would you show me how to solve it using the algebra formula? My e-mail is zippor21@gmail.com Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! A total of 50 juniors and seniors were given a mathematics test.
The 35 juniors attained and 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?
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