On Saturday afternoon, Lan Lan started to do housework at 2 o'clock. It took 25 minutes to clean the room, and it took 5 minutes less to clean the floor than to clean the room. She wants to go to the movies at 3:00 p.m. after finishing her chores, is there time?
星期六下午，兰兰从2时开始做家务．整理房间用了25分钟，擦地板比整理房间少用5分钟．她想做完家务后下午3时出发去看电影，来得及吗？
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