There are three exams in a marking period. A student received grades of 75 and 81 on the first two exams. What is the minimum grade the student can earn on the last exam to get an average of no less than

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asked Dec 17, 2020 174k views

4 votes

There are three exams in a marking period. A student received grades of 75 and 81 on the

first two exams. What is the minimum grade the student can earn on the last exam to get
an average of no less than 80 for the marking period?
Solve the inequality.