If the average of 1,4,9 x ,25,36 and 49,is 20, then x=?

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If the average of 1,4,9 x ,25,36 and 49,is 20, then x=?

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Eden 2 months 2021-08-11T12:34:38+00:00 1 Answer 0 views 0

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    2021-08-11T12:35:57+00:00

    Answer:

    If the average of 1,4,9 x ,25,36 and 49,is 20, then x=?

    Step-by-step explanation:

    AVERAGE =  SUM OF ALL NUMBER / TOTAL NUMBER

    20  = 1+4+9+X+25+36+49 /7

    20 * 7 = 124+X

    140 -124 = X

    16= X

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