Question
Sarah and Seth started running together along a cross country track. When Seth completed the track in 43 minutes, Sarah had run only 47 of the track. Sarah’s average speed was 111 m/min slower than Seth’s.
  1. How long was the cross country track in m?
  2. Find Sarah’s average speed in m/min.
3 m
(a)

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(b)

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Sarah and Seth started running together along a cross country track. When Seth completed the track in 43 minutes, Sarah had run only 47 of the track. Sarah’s average speed was 111 m/min slower than Seth’s.
  1. How long was the cross country track in m?
  2. Find Sarah’s average speed in m/min.