WHEN TO PUT THE BOILING SOUP IN THE REFRIGERATOR?
3
Harry is working in a restaurant. He has to make a pot of soup every night for the next day. His problem: How long to wait for the boiling soup to cool down to room temperature? Because he has to put the soup in the fridge before closing the shop. He can speed up the cooling process by placing the closed soup pot under flowing cool tap water. He knows one fact; it takes 10 minutes to cool down to 60 degr...
