Question
Marion and Rael started running together along a cross country track. When Rael completed the track in 21 minutes, Marion had run only 59 of the track. Marion’s average speed was 112 m/min slower than Rael’s.
  1. How long was the cross country track in m?
  2. Find Marion’s average speed in m/min.
3 m
(a)

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(b)

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Marion and Rael started running together along a cross country track. When Rael completed the track in 21 minutes, Marion had run only 59 of the track. Marion’s average speed was 112 m/min slower than Rael’s.
  1. How long was the cross country track in m?
  2. Find Marion’s average speed in m/min.