SOLUTION: Two truck drivers leave a warehouse traveling in opposite directions, one driving at 50 mph and one driving at 56 mph. If the slower driver has a 2-hour head start, how long has sh

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Question 262869: Two truck drivers leave a warehouse traveling in opposite directions, one driving at 50 mph and one driving at 56 mph. If the slower driver has a 2-hour head start, how long has she been on the road when two drivers are 683 miles apart?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
683=50T+65(T-2)
683=50T+65T-130
115T=683+130
115T=813
T=813/115
T=7.7 HOURS THE 50MPH CAR HAS BEEN ON THE ROAD WHEN THEY ARE 583 MILES APART.