Question
Ivory and David started off from the same place and drove at uniform speeds in the same direction round a 40 km circular racing track. Ivory completed each round in 60 minutes. David took 80 minutes to complete each round.
  1. How far would David be behind Ivory after 1 hour?
  2. How long after they started would it take Ivory to meet David 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

Ivory and David started off from the same place and drove at uniform speeds in the same direction round a 40 km circular racing track. Ivory completed each round in 60 minutes. David took 80 minutes to complete each round.
  1. How far would David be behind Ivory after 1 hour?
  2. How long after they started would it take Ivory to meet David for the first time? Express your answer as a whole or mixed number in h.