Question
Sabrina and Vanessa started off at the same spot and ran at average speeds round a 3-km circular path. Sabrina took 15 minutes to complete each round. Vanessa completed each round in 20 minutes.
  1. How far ahead of Vanessa would Sabrina be after 7 minute? Express your answer in metres.
  2. How long would it take Sabrina to meet Vanessa for the first time?
  3. How many rounds would Sabrina have completed by then?
4 m
(a)

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(b)

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(c)

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Sabrina and Vanessa started off at the same spot and ran at average speeds round a 3-km circular path. Sabrina took 15 minutes to complete each round. Vanessa completed each round in 20 minutes.
  1. How far ahead of Vanessa would Sabrina be after 7 minute? Express your answer in metres.
  2. How long would it take Sabrina to meet Vanessa for the first time?
  3. How many rounds would Sabrina have completed by then?