Math, asked by hamimtanin, 1 month ago

The avarage (arithmetic mean)of 7, 20,and x is 20.what is the value of x

Answers

Answered by atharva141105

1

Answer:

the answer is:

Mean= sum of all obs. / no. of obs.

20= 7+20+x/ 3

20x3= 27+x

60-27=x

33=x

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