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.

b. pani says she should get a $3 discount on the price of each shirt and a $3 discount on the price of each pair of jeans. write and simplify an expression to find the amount she would pay if this is true.