Answer:
1. 1.6
2. 1.5
3.1.3
20. 50 mph. 21. 0 mph. 22. 60 mph. 23. 50 mph
Explanation:
20. 150 Miles / 3 Hrs = 50 mph
21. No travel from hours 3 to 4, so 0 mph.
22. 300 Miles / 5 Hrs = 60 mph
23. 450 Miles / 9 Hrs = 50 mph
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