A train travels 150 km at 50 km/h and then 150 km at 75 km/h. What is the average speed for the entire journey?
A train travels 150 km at 50 km/h and then 150 km…
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in
Written by
in
A train travels 150 km at 50 km/h and then 150 km at 75 km/h. What is the average speed for the entire journey?
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