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21-09-2016
Mathematics

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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?

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amelia1234 amelia1234

21-09-2016

l the minimum is like a 60 or 50

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21-09-2016

Total of percentages in first 5 tests = 77 x 5 = 385.
Minimum total of the percentages in the 6 tests = 80 x 6 = 480.
Required minimum percentage in last test = 480 - 385 = 95%
The answer is 95%.

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