Question
Lucy and Ivan started running together along a cross country track. When Ivan completed the track in 31 minutes, Lucy had run only 13 of the track. Lucy’s average speed was 110 m/min slower than Ivan’s.
  1. How long was the cross country track in m?
  2. Find Lucy’s average speed in m/min.
3 m
(a)

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(b)

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Lucy and Ivan started running together along a cross country track. When Ivan completed the track in 31 minutes, Lucy had run only 13 of the track. Lucy’s average speed was 110 m/min slower than Ivan’s.
  1. How long was the cross country track in m?
  2. Find Lucy’s average speed in m/min.