80 95 90 80 100 _ what goes on the blank to get a mean of 90

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Mathematics

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15 May, 11:15

80 95 90 80 100 _ what goes on the blank to get a mean of 90

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Answers (2)

Know the Answer?

Yareli · Answer 1

95

Step-by-step explanation:

(80 + 95 + 90 + 80 + 100 + x) / 6 = 90

x = 95

Trinity Delgado · Answer 2

95.

Step-by-step explanation:

The are a total of 6 numbers so to make the mean 90 the total must be 6*90 = 540.

So the number in the blank is 540 - (80 + 95+90+80+100)

= 540 - 445

= 95.