Mathematics, 09.12.2021 04:20 cdavis379

At noon, May starts at home and drive due east at a constant speed of 60 minutes per hour for 40 minutes. He stops, gets out of the car, and takes pictures, for the next 15 minutes. He then reverses direction and drives at a constant speed of 30 miles per hour for 10 miles. What is his average speed in mph for the whole trip?

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At noon, May starts at home and drive due east at a constant speed of 60 minutes per hour for 40 min...