Sam must have an average of 70 or more in his summer course toobtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequalityrepresenting the score that Sam must get on the last test to get a C grade.
Sam must have an average of 70 or more in his summer course toobtain a grade of C. His first three test grades
(75+63+68+x)/4%26gt;=70
(x + 206) %26gt;= 280
x %26gt;= 74
Sam must get a 74 or better on the last exam to pass the course with a C grade.
Reply:(75 + 63 + 68 + x)/4 %26gt; 70
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