Afloor of a room is in the shape of square. it is to be covered with rectangular tiles that each have an area of 192 square inches. if the length of the floor is 14 feet, how many tiles are needed to cover the floor?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?