cakey3892 cakey3892

10-06-2018
Mathematics

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A math student scored 75, 70, 85, 90, 100 on the first five tests he took . After he took his sixth math test, the average is now 85. What did he score on the sixth test?

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erber123 erber123

10-06-2018

To figure this out, you have to find the mean of the data set and solve for x.

(75 + 70 + 85 + 90 + 100 + x) / 6 = 85

The answer would be 90

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