De cuántas maneras diferentes se puede vestir una persona; si cuenta con 3 camisas (2 iguales), 4 pantalones (2 iguales) y 6 pares de zapatos (2 iguales)? A) 20 B) 30 C) 48 D) 40

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax