Khyriupshaw209go Khyriupshaw209go Mathematics Answered It costs 30 dollars per month for a cell phone plus 10 dollars for every GB of data.Which expression can be used to represent the cost of a cell phone bill when x is the number of GB of data used? a.30 + 10 b.30x + 10 c.10x + 30 d.10x + 30x