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Mathematics, 26.07.2020 02:01 nvacharya

2. Kelsea needs a test average of at least 90 to get an "A-" this marking period in math. Her three test grades are 87,91 and 86. What score must she get on her fourth test to receive at least an A- ?
Define variable:
Equation:
Solution:

can someone check this please :)


2. Kelsea needs a test average of at least 90 to get an A- this marking period in math. Her three

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