SOLUTION: Gina's median score on the three tests was 89. Her mean score was 82 and her range was 23. What were her three test scores? (use commas, to separate answers)

Algebra ->  Probability-and-statistics -> SOLUTION: Gina's median score on the three tests was 89. Her mean score was 82 and her range was 23. What were her three test scores? (use commas, to separate answers)      Log On


   



Question 778901: Gina's median score on the three tests was 89. Her mean score was 82 and her range was 23. What were her three test scores?
(use commas, to separate answers)

Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
In 2nd test the score was 89.

Let the score in first and third tests be x and y respectively.
x+89+y=82*3
x+y=157

Again, x-y=23

x=90, y=67

So the scores were 90, 89 and 67