SOLUTION: The mean of a set of five scores is 68. What is the new mean of the set of scores after a score of 20 is added ?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The mean of a set of five scores is 68. What is the new mean of the set of scores after a score of 20 is added ?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 908695: The mean of a set of five scores is 68. What is the new mean of the set of scores after a score of 20 is added ?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If a mean of scores is , then the sum of the scores is . The new sum if is added is , and the new mean, .

In other words, multiply 68 times 5, add 20 to the product, and divide the final sum by 6.

John

My calculator said it, I believe it, that settles it