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Sonja [21]
3 years ago
9

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?
Mathematics
2 answers:
Roman55 [17]3 years ago
8 0
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%.
balandron [24]3 years ago
3 0
L the minimum is like a 60 or 50
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Hi there! Hopefully this helps!

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<h2 /><h2>Answer: 18</h2><h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2><h2 />

First we need to substitute the value of the variable into the expression.

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Now we need to solve 3^{2} + 3 (2(4)-5).

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3^{2} + 3 (2(4)-5)

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