1.2.9 Desmond buys in-line skates for $327.81, including sales tax of 75%. Let x = the price of in-line skates before tax. Write an algebraic expression in x for "the tax paid on the in-line skates." An algebraic expression in x for "the tax paid on the in-line skates" is dollars. (Simplify your answer. Use integers or decimals for any numbers in the expression.)