2. Mother cooks food in 12 hours and prepares the children's snacks in of an hour. How much longer does she cook the food than prepare the children's snacks?
A. Understand
1. What is asked in the problem?
2. What are the given facts?
B. Plan
1. What operation/s are you going to use to solve the problem?
2. What is the number sentence?
C. Solve (Show your solution here.)
Answer to the problem:​