SOLUTION: A student has taken four tests in a class... earning scores of 84,80,95,91. What must the student score on his/her last test to earn an average of 90?
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Question 639499: A student has taken four tests in a class... earning scores of 84,80,95,91. What must the student score on his/her last test to earn an average of 90?
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Multiply by 5
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