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Math brain teasers require computations to solve.

 

Puzzle ID:#960
Fun:*** (2.35)
Difficulty:** (1.82)
Category:Math
Submitted By:Michelle***

 

 

 



A car travels at a speed of 30 mph over a certain distance, and then returns over the same distance at a speed of 20 mph. What is the average speed for the total trip?

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