Question

the mean is 115 the other numbers that make the mean are 110 and 90 i cant figure out what the third number is

Answer 1

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Answer 2

Answer: 145

Explanation:

To find the total of the three numbers: 115 x 3 = 345

So the 3rd number must be 345 - 110 -90 = 145

Check the answer= 110 + 90 +145

3

= 115