SOLUTION: Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality representing the score th

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Question 63209: Sam must have an average of 70 or more in his summer course to
obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality
representing the score that Sam must get on the last test to get a C grade.
Answer by stanbon(48535) (Show Source):
You can put this solution on YOUR website!
Sam must have an average of 70 or more in his summer course to
obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality
representing the score that Sam must get on the last test to get a C grade.
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Let the score he needs to achieve the 70 average be "x".
EQUATION:
(x+75+63+68)/4>=70
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Cheers,
Stan H.