SOLUTION: linda and dave leave simultaneoously from the same starting point biking in opposite durections. Linda bikes at 7 miles per hour and Dave bikes at 8 miles per hour. How long will

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Question 116874: linda and dave leave simultaneoously from the same starting point biking in opposite durections. Linda bikes at 7 miles per hour and Dave bikes at 8 miles per hour. How long will it be until they are 25 miles apart from each other?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
7T+8T=25
15T=25
T=25/15
T=1.66667 OR 1 HOUR 40 MINUTES THEY WILL BE 25 MILES APART.