Jack and Jill both drive the same distance to the beach. By driving 15 miles per hour faster than Jack, Jill can get there in 3 hours while it takes Jack 4 hours. How fast does each of them drive? If you answer this you are an absolute legend

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