22imat
contestada

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?

Respuesta :

bcalle
(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
texaschic101
31300 = 7.6% * x
31300 = 0.076x
31300 / 0.076 = x
411842.11 = x

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