SOLUTION: the total of 50 juniors and seniors were given a math test. the 35 juniors averaged a score of 80, while the 15 seniors averaged a score of 70. What was the average score for all 5
Algebra.Com
Question 144567: the total of 50 juniors and seniors were given a math test. the 35 juniors averaged a score of 80, while the 15 seniors averaged a score of 70. What was the average score for all 50 students?
Found 2 solutions by checkley77, josmiceli:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(35*80+15*70)/50
(2800+1050)/50
3850/50=77 is the average for both grades.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The average is the sum of all the scores divided by the number of students
either junior or senior.
Let sum of junior scores =
Let sum of senior scores =
Let aveage score for all students =
The average score for all 50 students was 77
RELATED QUESTIONS
a total of 50 juniors and seniors were given a mathematics test. the 35 juniors attained... (answered by checkley71)
a total of 50 juniors and seniors were given a math test. 35 juniors contained an average (answered by Prithwis)
A total of 50 juniors and seniors took a math test. The 35 juniors attained an average of (answered by solver91311)
What is the average?
A total of 50 juniors and seniors were given a math test. The 35... (answered by richwmiller)
A total of 50 juniors and seniors were given a math test. The 35 juniors attained an... (answered by josmiceli)
a total of 50 juniors and seniors were given a math test. the 35 juniors attained an... (answered by josmiceli)
A total of juniors and seniors were given a math test. The 35 juniors attained an... (answered by Boreal,satyareddy22)
A total of 50 juniors & seniors were given a math test. The 35 juniors attained an... (answered by ankor@dixie-net.com)
A total of 50 juniors and seniors were given a mathematics test. The 35 juniors
attained (answered by bucky)