SOLUTION: Tony has earned scores of 84, 80, 93, 80, and 72 on his English tests. What is the minimum score he needs on his 6th test to have an overall test average of at least 80?
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Question 937756: Tony has earned scores of 84, 80, 93, 80, and 72 on his English tests. What is the minimum score he needs on his 6th test to have an overall test average of at least 80?
You can put this solution on YOUR website! (84+80+93+80+72 + x)/6 = 80
(84+80+93+80+72) + x = 80*6
x = 80*6 - (84+80+93+80+72)
x = 71
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answer:
he must get 71 or higher on 6th test
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