A rectangular swimming pool has a length that is 20 feet longer than its width. Let w represent the width of the pool, in feet. The area of the swimming pool is 384 square feet.

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