SOLUTION: Sarah has an average of 92.5 for her 3 science tests. What does she need to make on the 4th test to get a 94% average?

Algebra ->  Statistics  -> Describing-distributions-with-numbers -> SOLUTION: Sarah has an average of 92.5 for her 3 science tests. What does she need to make on the 4th test to get a 94% average?       Log On


   

Question 981297: Sarah has an average of 92.5 for her 3 science tests. What does she need to make on the 4th test to get a 94% average?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If you have a average for scores, then you have a total of points. In order to have a average for scores, your total points for those scores must be . The score needed for the last test is then

John

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