Mathematics, 22.10.2021 22:50, haileycrane

A car travels at an average speed of 45 mph for 40 minutes. The next part of the car's journey takes 25 minutes at an average speed of 60 mph.
Show that the average speed of the entire journey is just over 50 mph.

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A car travels at an average speed of 45 mph for 40 minutes. The next part of the car's journey takes 25 minutes at an average speed of 60 mph. Show that the average speed of the entire journey is just over 50 mph.

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A car travels at an average speed of 45 mph for 40 minutes. The next part of the car's journey takes 25 minutes at an average speed of 60 mph.
Show that the average speed of the entire journey is just over 50 mph.