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Shureka Washburn has scores of 80, 76, 85, and 85 on her algebra tests
a. Use an inequality to find the scores she must make on the final exam to pass the course with an average of 79 or higher, given that the final exam counts as two tests.

Sagot :

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She must have a score greater than 69 in her final tests

Let the required score be "x"

What is Mean?

The mean of the data is the ratio of the sum to the total sample

Mean = 80+76+85+85+x/5

80+76+85+85+2x/5 > 79

326+x/5 > 79

326 + x > 395

x > 395 - 326

x > 69

This shows that she must have a score greater than 69 in her final tests

Learn more on mean here: https://brainly.com/question/1136789

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