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13-08-2017
Mathematics

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If the average of 3 numbers and 8 is 25 what is the sum of the three numbers

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Аноним Аноним

13-08-2017

Let sum of 3 numbers be x.

Average of 3 numbers and 8 = [tex] \frac{x + 8}{4} [/tex]

25 = [tex] \frac{x +8}{4} [/tex]

100 = x +8

x= 92.

The sum of 3 numbers is 92.

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