SOLUTION: alexander and judy are 31 miles apart on a calm lake paddling toward each other. alexander paddles at 5 miles per hour, while judy paddles at 8 miles per hour. how long will it tak

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Question 910739: alexander and judy are 31 miles apart on a calm lake paddling toward each other. alexander paddles at 5 miles per hour, while judy paddles at 8 miles per hour. how long will it take them to meet
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Their speeds are added when going in opposite directions.
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d = r*t
t = d/r