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Mathematics
Statistics
Mean and score
you have a mean score of 84 after taking 5 100 point tests. What do you need to score on the sixth 100-point test to have a mean score of 85?
1 answer
84(5) + x = 85(6)
solve for x
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Can someone help me with this?
You have 2 tests with scores of 83 and 92, assuming you can't get a score over 100 on any test.
