Leo is preparing food to be given to the front liners. He boiled the chicken and when it reached 100°C, he let it cool for 30 minutes and went to the bakery. When he came back, he measured it and got a reading of 85° C. How many degrees did the chicken's temperature decreased after boiling?
6.what is asked? 7.what are given facts? 8.what operation is/are to be used? 9.what is the number sentence? 10.what is final answer?