Plz plz ? melissa bought a new car with 12 optional features. each optional feature costs either $23.99 or $120.84. she paid $675.28 for all the optional features. a. if x represents the number of features that cost $120.84b. write an equation that you can use to find the total number of each type of feature. c. solve your equation. d. how many of each type of feature did she feature did she purchase?