Question
Diana and Ahmad started running together along a cross country track. When Ahmad completed the track in 23 minutes, Diana had run only 38 of the track. Diana’s average speed was 115 m/min slower than Ahmad’s.
  1. How long was the cross country track in m?
  2. Find Diana’s average speed in m/min.
3 m
(a)

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(b)

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Diana and Ahmad started running together along a cross country track. When Ahmad completed the track in 23 minutes, Diana had run only 38 of the track. Diana’s average speed was 115 m/min slower than Ahmad’s.
  1. How long was the cross country track in m?
  2. Find Diana’s average speed in m/min.