Meg hired Rich to help her at a car wash. Meg earned $5.40 per car they washed, plus $5 in tips. Rich earned $3.20 per car they washed, plus $8 in tips. Let c represent the number of cars Meg and Rich washed Which simpld expression represents the total amount of money they earned? ( A.)21.6c ( B.)13.4c +8.2 (C)8.6c+13 (D).10.4c+11.2c