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14 May, 23:58

A book sold 31,300 copies in its first month of release. Suppose this represents 7.6% of the number of copies sold to date. How many copies have been sold to date?

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  1. 15 May, 00:13
    0
    31300 = 7.6% * x

    31300 = 0.076x

    31300 / 0.076 = x

    411842.11 = x
  2. 15 May, 00:25
    0
    (is/of) = (Percent/100) then cross multiply to solve

    (31,300/x) = (7.6/100)

    3,130,000 = 7.6x; divide by 7.6

    x = 411842.1

    round to 411,842
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