Question
Tina and Jack started running together along a cross country track. When Jack completed the track in 31 minutes, Tina had run only 35 of the track. Tina’s average speed was 102 m/min slower than Jack’s.
  1. How long was the cross country track in m?
  2. Find Tina’s average speed in m/min.
3 m
(a)

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(b)

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Tina and Jack started running together along a cross country track. When Jack completed the track in 31 minutes, Tina had run only 35 of the track. Tina’s average speed was 102 m/min slower than Jack’s.
  1. How long was the cross country track in m?
  2. Find Tina’s average speed in m/min.