SOLUTION: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?

Algebra ->  Average -> SOLUTION: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?      Log On


   

Question 629271: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
75(5) - (74 + 86 + 75 + 69) = 71
Answer: 71