SOLUTION: A tight end can run the 100 yard dash in 12 seconds. A defensive back can do it in 10 seconds. The tight end catches a pass at his own 20 yard line with the defensive back at the 1

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Question 347702: A tight end can run the 100 yard dash in 12 seconds. A defensive back can do it in 10 seconds. The tight end catches a pass at his own 20 yard line with the defensive back at the 15 yard line. If no players are nearby, at what yard line will the defensive back catch up to the tight end?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the tight end runs x yd in the SAME TIME that the defensive back runs x+5 yd

[x / (100/12)] = [(x+5) / (100/10)]