SOLUTION: In a remedial math class at the community college,only five chapter exams are given and an 80% must be achieved in order to take the state exit exam.Pam has completed the first fou

Question 674796: In a remedial math class at the community college,only five chapter exams are given and an 80% must be achieved in order to take the state exit exam.Pam has completed the first four exams with scores of 71,84,79 and 81,Write an inequality to find the minimal score Pam can make on the fifth exam in order to take the state exit exam?
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In a remedial math class at the community college,only five chapter exams are given and an 80% must be achieved in order to take the state exit exam.Pam has completed the first four exams with scores of 71,84,79 and 81,Write an inequality to find the minimal score Pam can make on the fifth exam in order to take the state exit exam?
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Let the 5th score be "x":
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Solve (71 + 84 + 79 + 81 + x)/5 = 80
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315 + x = 400
x = 85
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Cheers,
Stan H.
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Answer by MathTherapy(10557) (Show Source): You can put this solution on YOUR website!

In a remedial math class at the community college,only five chapter exams are given and an 80% must be achieved in order to take the state exit exam.Pam has completed the first four exams with scores of 71,84,79 and 81,Write an inequality to find the minimal score Pam can make on the fifth exam in order to take the state exit exam?

Let the final grade she has to get be F

Then inequality is:

------ Cross-multiplying to get simplified inequality

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