An architect makes a model of a new house. The model shows a tile patio in the backyard. In the model each tile has a length of 1\2 in. and width 1/4 in. The actual tiles have length 1/2 ft and width 3/16 ft. What is the ratio of a tile in the model to the length of an actual tile what is the ratio of the area of a tile in the model to the area of an actual tile.