SOLUTION: Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct average tes

Algebra ->  Average -> SOLUTION: Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct average tes      Log On


   



Question 482394: Adam tried to compute the average of his 7 test scores. He mistakenly divided the
correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct
average test score?

Found 2 solutions by cleomenius, Earlsdon:
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
84 * 6 = 504
504 / 7 =72.
Cleomenius.

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = the original sum (not the average) of the test scores.Then:
x%2F6+=+84 Multiply by 6.
x+=+504 This is the original sum of the test scores. The correct average is:
504%2F7+=+72