express the ratio of the following simplest form:
1. 45 minutes to 3 hours -> 45:3 -> 15:1
2. 6 items to 2 dozens -> 6:2 -> 3:1
3. 10 days to 2 weeks -> 10:2 -> 5:1
4. 30 cm to 1 m -> 30:1
5. A class of 120 pupils from 3 sections -> 120:3 -> 40:1
#CarryOnLearning
#AnswerForTrees