Steve traveled the first 2 hours of his journey at 30 mph and the remaining 3 hours of his journey ...

Steve traveled the first 2 hours of his journey at 30 mph and the remaining 3 hours of his journey at 80 mph. What is his average speed for the entire journey?

Quiz

Answer/Solution

60 mph

Steps/Work

Distance traveled in 2 hours = 2 * 30 = 60 m
Distance traveled in 3 hours = 3 * 80 = 240m
Total distance covered = 240 + 60 = 300m
Total time = 2 + 3 =5 h
Hence avg speed = total distance covered / total time taken
= 300/5 = 60 mph
Answer: A

Physics Calculator / Auto Solver

Steve traveled the first hours of his journey at mph and the remaining hours of his journey at mph. What is his average speed for the entire journey?

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