kinley17 kinley17

11-04-2018
Mathematics

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the mean of the fourth number is 64.25. if three of the numbers are 58, 76, and 88, what is the value of the fourth number

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Аноним Аноним

11-04-2018

I'm assuming you mean that the mean of four numbers is 64.25? In that case we have (58+76+88+x)/4 = 64.25, where x is the fourth number.
222 + x = 257
x = 257 - 222 = 35

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