Question
Kathy and Sam started running together along a cross country track. When Sam completed the track in 30 minutes, Kathy had run only 49 of the track. Kathy’s average speed was 115 m/min slower than Sam’s.
  1. How long was the cross country track in m?
  2. Find Kathy’s average speed in m/min.
3 m
(a)

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(b)

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Kathy and Sam started running together along a cross country track. When Sam completed the track in 30 minutes, Kathy had run only 49 of the track. Kathy’s average speed was 115 m/min slower than Sam’s.
  1. How long was the cross country track in m?
  2. Find Kathy’s average speed in m/min.