Problema Solution
supporse that your first four test scores in your psychology cass are 81,70,92,and 68. what is the lowest you can score on your fifth test if you want to have an average of at least 80
Answer provided by our tutors
Let 'x' represent the score on the fifth test.
(81 + 70 + 92 + 68 + x)/5 >= 80
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click here to see the inequality solved for x
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x >= 89
The lowest you can score on the fifth test is 89.