A teacher orders hot Chinese food using a new delivery app, when the food arrives 24 minutes have passed since the app signaled it was on its way, the teacher measures the temperature of his soup and takes a reading of 65C. When he has almost finished eating his soup the teacher measures the temperature again and the thermometer indicates a temperature of 48C. If when the professor made the second measurement he observed on his cell phone that 46 minutes had elapsed since his order was sent, help the professor determine at what temperature his soup came out of the restaurant assuming that the ambient temperature has not changed from 21C