Mathematics, 02.12.2019 03:31, angeleyes4u610p6np54

Astore sells notebooks for $3 each and does not charge sales tax. if x represents the number of notebooks adele buys and y represents the total cost of the notebooks she buys, which best describes the values of x and y?

the value of x can be any real number, and y will be a real number.
the value of x can be any real number greater than or equal to 0, and y will be a real number greater than or equal to 0.
the value of x can be any integer, and y will be an integer.
the value of x can be any integer greater than or equal to 0, and y will be an integer greater than or equal to 0.

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Astore sells notebooks for $3 each and does not charge sales tax. if x represents the number of note...