SOLUTION: Two cyclists start from the same place in opposite directions. One goes towards North at 18 kmph and the other goes towards South at 20 kmph. What time

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Question 569575: Two cyclists start from the same
place in opposite directions.
One goes towards North at 18
kmph and the other goes
towards South at 20 kmph.
What time will they take to be
47.5 km apart ?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two cyclists start from the same
place in opposite directions.
One goes towards North at 18
kmph and the other goes
towards South at 20 kmph.
What time will they take to be
47.5 km apart ?
--------------
The speeds are added
18 + 20 = 38 km/hr
--------
d = r*t
t = d/r