It will cost $285 to charter a bus for a class trip. the class treasurer says that there is $60 in the class treasury. the 20 students going on the trip agree to make up the difference. write and solve an equation to find how much each students will pay

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