SOLUTION: Chang has scored 87,94 ,89 , and 93 on his previous four tests. What score does he need on his next test so that his average (mean) is 87 ?

Algebra.Com
Question 394303: Chang has scored 87,94 ,89 , and 93 on his previous four tests. What score does he need on his next test so that his average (mean) is 87 ?
Answer by TeishaRenee(14)   (Show Source): You can put this solution on YOUR website!
your answer is 72 let me know if you want to know how i got it but if you just want the answer, there it is!!!
RELATED QUESTIONS

David has scored 81, 89, 94, and 81 on his previous four tests. What score does he need... (answered by ReadingBoosters)
Charlie has scored 89, 78, and 63 on his previous three tests. What score does he need on (answered by ikleyn,greenestamps)
Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on... (answered by reviewermath)
Ryan has scored , , , and on his previous four tests. What score does he need on his next (answered by Alan3354)
Keith has scored 84,75,81, and 80 on his previous four tests. What score does he need on... (answered by ewatrrr)
Hello do you know the averafe of: Kevin has scored 72 , 59 , 93 , and 73 on... (answered by Boreal,MathLover1)
Manuel has scored 80,64,77 and on his previous three tests. What score does he need on... (answered by persian52)
Aldo has scored 84,72,85, and 92 on his previous tests. What score does he need on his... (answered by solver91311,macston)
Manuel has scored 76,76, and 90 on his previous three tests. What score does he need on... (answered by ikleyn)