Grady drove 34 miles to his grandmas house. Next he drove 48 miles to visit his uncle. The trip took 90 minutes. If he drove at a constant rate, what was his average speed in miles per hour
![Grady drove 34 miles to his grandmas house Next he drove 48 miles to visit his uncle The trip took 90 minutes If he drove at a constant rate what was his averag class=](https://us-static.z-dn.net/files/def/25ce11fa333acf6b91dfcf8318f3b15a.png)
Answer:
55 mph
Step-by-step explanation:
speed = 54.6667 miles per hour
approximately 55 miles per hour
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