Lee is his parents plan a big family dinner. the recipe for roast turkey says that they should bake the turkey at 475 farenheit for 45 minutes. then they have to lower the oven temperature to 375 farenheit and bake the turkey fo 1: 30 hours longer. finally, they have to let the turkey cool for 15 minutes before serving it. if they want to have dinner at 6: 30 p. m.,what time do they need ti put the turkey in the oven?