SOLUTION: four people take a test and the average grade is 80. 1 more person takes the test and the new average is 84. what did that 1 person get for a grade?

Algebra ->  Average -> SOLUTION: four people take a test and the average grade is 80. 1 more person takes the test and the new average is 84. what did that 1 person get for a grade?      Log On


   

Question 530994: four people take a test and the average grade is 80. 1 more person takes the test and the new average is 84. what did that 1 person get for a grade?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(4 * 80) + x = 5 * 84