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RSB [31]
2 years ago
12

To get a final grade of B, a student must have an average mark on five tests that is greater than or equal to 80 and less than 9

0.
If Lisa's grades on the first four tests were 97, 93, 78 and 87, solve for the range of grades x that she could score on the fifth test that would result in her getting a final grade of B.

Give your answer as an inequality.
Mathematics
2 answers:
yulyashka [42]2 years ago
8 0

Answer:

Lisa must get an 88.75 or higher to stay in between 80 and 90.

Step-by-step explanation:

leva [86]2 years ago
3 0
Lisa needs 88.75 for her final grade
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