SOLUTION: Fred has test scores of 79,78,82 and 86. What is the lowest score he can get on his 5th test to still average 80%?

SOLUTION: Fred has test scores of 79,78,82 and 86. What is the lowest score he can get on his 5th test to still average 80%?

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Question 313341: Fred has test scores of 79,78,82 and 86. What is the lowest score he can get on his 5th test to still average 80%?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

If he scores a 75, he'll have an 80 average.
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