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Part 1
In your​ class, you have scores of 82, 75, 72, 83 and on the first four of five tests. To get a grade of C, the average of the first five tests scores must be greater than or equal to 70 and less than 80.
a.
Solve an inequality to find the least score you can get on the last test and still earn a C.
b.
What score do you need if the fifth test counts as two​ tests?

Answer 1

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