the mean of eight number is 27 if one more number in includes then the mean is 26 find the include number
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Answered by
7
Answer:
18
Step-by-step explanation:
27*8=216
The sum of 8 no.s is 216
let the no. added be x
(216+x) / 9 = 26
=216 + x = 26*9
=216 + x = 234
= x=234 - 216 = 18
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