Question
Betty and Wendy started off at the same spot and ran at average speeds round a 4-km circular path. Betty took 16 minutes to complete each round. Wendy completed each round in 30 minutes.
  1. How far ahead of Wendy would Betty be after 9 minute? Express your answer in metres.
  2. How long would it take Betty to meet Wendy for the first time?
  3. How many rounds would Betty have completed by then?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

Betty and Wendy started off at the same spot and ran at average speeds round a 4-km circular path. Betty took 16 minutes to complete each round. Wendy completed each round in 30 minutes.
  1. How far ahead of Wendy would Betty be after 9 minute? Express your answer in metres.
  2. How long would it take Betty to meet Wendy for the first time?
  3. How many rounds would Betty have completed by then?