Mr jackson bought 99 tiles . after he covers his entire kitchen floor with tiles , he wants to cover the floor in his hallway . the halway is 4 feet wide and 8 feet long . if he places the tiles so there are no gaps between them and they do not overlap, will mr jackson have enough tiles to cover the hallway floor ? explain why not .

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