SOLUTION: In order for brady to earn a B in his biology course, his test scores must average at least 80%. On the first 5 tests, he has an average of 77%. There is one test remaining in the

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Question 1002273: In order for brady to earn a B in his biology course, his test scores must average at least 80%. On the first 5 tests, he has an average of 77%. There is one test remaining in the course.
What is the minimum score brady needs to earn on the last test to receive a B in the class?

Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
s, the lowest score needed

%285%2A77%2Bs%29%2F6=80

5%2A77%2Bs=6%2A80

s=6%2A80-5%2A77

s=480-385

s=95