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A car travels at a speed of 40 mph over a certain distance and then returns over the same distance at a speed of 60 mph. What is the average speed for the total journey?‚Äč

From the correct responses we will draw 100 and send the winners the following prize:

Deluxe tool set comes with pliers, 4 Phillips head bits, 2 flat head bits, 3 Torx's six point head bits, 5 sockets, 2 Allen wrenches, mini Phillips head screwdriver, mini flat head screwdriver and needle nose pliers. 6 1/4" x 8 1/2" in size. Easy carrying handle.

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