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Geek Challenge: Off and Running
 Sam and Brenda start running in opposite directions from opposite ends of a symmetrical race track, each running at a uniform speed, although not equal to each other. They first cross each other at a point 100 yards from Sam’s staring point. They cross again as Brenda has 40 yards to go before completing her first lap.
If they continue to run at the same rates, how far from Sam’s starting point will they be when they cross for the 3rd time?
 A: 20 Yards
B: 45 Yards
C: 80 Yards
D: 120 Yards
Extra Credit: What is the circumference of the track?
The correct answer with the best engineering content will be this month’s winner. Submit your responses to: geekchallenge@dmcinfo.com
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