SOLUTION: A student scored the following four math tests: 85, 85, 90, and 95. What must she score on the next test to achieve an average of 91?

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Question 999418: A student scored the following four math tests: 85, 85, 90, and 95. What must she score on the next test to achieve an average of 91?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Calculate the average.
%2885%2B85%2B90%2B95%2BT%29%2F5=91
355%2BT=455
Solve that to get the test score.