SOLUTION: Your average (arithmetic mean) score on four exams is 82. If your professor drops the lowest exam score then your average will be 86. What was your lowest score?

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Question 358610: Your average (arithmetic mean) score on four exams is 82. If your professor drops the lowest exam score then your average will be 86. What was your lowest score?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let the score be A,B,C,D in order.
%28A%2BB%2BC%2BD%29%2F4=82
A%2BB%2BC%2BD=328
.
.
%28B%2BC%2BD%29%2F3=86
B%2BC%2BD=258
.
.
%28A%2BB%2BC%2BD%29-%28B%2BC%2BD%29=328-258
highlight%28A=70%29