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Arlecino [84]
3 years ago
13

Find the average rate of speed, expressed in miles per hour (unit rate). A post office truck delivered mail on a 9-mile route in

2 hours.
please help ! D:
Mathematics
1 answer:
Fed [463]3 years ago
8 0

Answer:

4.5 miles per hour

Step-by-step explanation:

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