Question
Betty and George started running together along a cross country track. When George completed the track in 45 minutes, Betty had run only 35 of the track. Betty’s average speed was 98 m/min slower than George’s.
  1. How long was the cross country track in m?
  2. Find Betty’s average speed in m/min.
3 m
(a)

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(b)

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Betty and George started running together along a cross country track. When George completed the track in 45 minutes, Betty had run only 35 of the track. Betty’s average speed was 98 m/min slower than George’s.
  1. How long was the cross country track in m?
  2. Find Betty’s average speed in m/min.