c4tsant0s c4tsant0s 01-03-2020 Mathematics contestada A tank can hold n gallons of gas. If x gallons of gas have been used, what percent of the gas has not been used? A) 100x ------ n B) n -------- 100x% C) 100n ---------% x D) n ------------% 100 (n-x) E) 100(n-x) --------------% n