SOLUTION: the average of five numbers is 8, and the first four have an average of 7. what is the last number

Algebra ->  Average -> SOLUTION: the average of five numbers is 8, and the first four have an average of 7. what is the last number       Log On


   

Question 946422: the average of five numbers is 8, and the first four have an average of 7. what is the last number
Answer by Fombitz(32388) About Me  (Show Source):