average of n number is x. if 36 is subtr5 from both two number the new average is (x-8). find the first number
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Answered by
0
Answer:
please post correct question
Answered by
1
Answer:
9
Explanation:
Sum of n numbers =n×x=nx
Given,
nx−36−36 /n
=x−8
⇒nx−72=nx−8n
⇒8n=72
⇒n=9
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