Question
Xuan and Carl started off from the same place and drove at uniform speeds in the same direction round a 40 km circular racing track. Xuan completed each round in 80 minutes. Carl took 100 minutes to complete each round.
  1. How far would Carl be behind Xuan after 1 hour?
  2. How long after they started would it take Xuan to meet Carl for the first time? Express your answer as a whole or mixed number in h.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Xuan and Carl started off from the same place and drove at uniform speeds in the same direction round a 40 km circular racing track. Xuan completed each round in 80 minutes. Carl took 100 minutes to complete each round.
  1. How far would Carl be behind Xuan after 1 hour?
  2. How long after they started would it take Xuan to meet Carl for the first time? Express your answer as a whole or mixed number in h.