Aplanting box is made of two sizes of rectangular prisms. one type of prism measures 3" by 6" by 14". the other type measures 15" by 5" by 10". what is the total volume of three such boxes?

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total