For a certain bathtub, it takes the hot water faucet 4 times as long to fill the tub as it does the cold water faucet. left on together, the two faucets take 4 minutes to fill the tub. how long will it take the hot water faucet to fill the tub by itself

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