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Mathematics, 05.04.2020 10:54 annamcda301

The relationship between hours spent studying and the average grade on an algebra exam was found to be a linear function. The average grade for students who spend 1 hour studying was 76, and it was 88 for students who spend 3 hours of studying.
a. What was the average grade for students who spent 4 hours of studying?
b. How many hours of studying would have resulted in an average grade of 80?

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