Zhiyuan and his family are planning to attend a football game. The time it takes Zhiyuan to get from his house to the football stadium is dependent upon the traffic. If traffic is heavy, he will only average 30 mi/h and he will arrive right on time. If traffic is light, he will average 55 mi/h and arrive 1 hour and 15 minutes early. In miles, what is the distance from Zhiyuan's house to the football stadium? Express your answer as a decimal to the nearest tenth.
