Question
P6.SP.TL.18012263-A1
Betty and Mark started running together along a cross country track. When Mark completed the track in 21 minutes, Betty had run only 49 of the track. Betty’s average speed was 115 m/min slower than Mark’s.
  1. How long was the cross country track in m?
  2. Find Betty’s average speed in m/min.
3 m
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Primary 6 SPEED P6.SP.TL.18012263

20 Apr 2024, 02:30 AM

Betty and Mark started running together along a cross country track. When Mark completed the track in 21 minutes, Betty had run only 49 of the track. Betty’s average speed was 115 m/min slower than Mark’s.
  1. How long was the cross country track in m?
  2. Find Betty’s average speed in m/min.
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