1. a dance floor is made from square wooden tiles with a side length of 1 foot. the floor can be laid out as a square or a rectangle. the width of the rectangular floor is 10 feet less than the width of the square floor, and its length is 15 feet greater than the length of the square floor.
a) how much greater is the length of the rectangular dance floor than the width?
b) the perimeter of the rectangular dance floor is 130 feet. what are the length and width of the dance floor?
c) how many quire tiles make up the dance floor?