SOLUTION: a student scores on his first four spanish test are 92,85,90 and 92. What test score must the student earn on the fifth test so that the mean will be exactly 90?

Algebra ->  Average -> SOLUTION: a student scores on his first four spanish test are 92,85,90 and 92. What test score must the student earn on the fifth test so that the mean will be exactly 90?       Log On


   

Question 895502: a student scores on his first four spanish test are 92,85,90 and 92. What test score must the student earn on the fifth test so that the mean will be exactly 90?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%2892%2B85%2B90%2B92%2BT%29%2F5=90
92%2B85%2B90%2B92%2BT=450
Now solve for T.