A book sold 32,800 copies in its first month of release. Suppose this represents 6.8% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest whole number.

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?