Question
Japheth drove from Town G to Town H which was 712 km away. He started from Town G at an average speed of 69 km/h. He maintained this speed for 4 h before increasing it by 9 km/h for the rest of the journey to Town H.
  1. How long did he take to complete the whole journey?
  2. What was his average speed from Town G to Town H?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Japheth drove from Town G to Town H which was 712 km away. He started from Town G at an average speed of 69 km/h. He maintained this speed for 4 h before increasing it by 9 km/h for the rest of the journey to Town H.
  1. How long did he take to complete the whole journey?
  2. What was his average speed from Town G to Town H?