Question
Rael drove from Town Z to Town A which was 450 km away. He started from Town Z at an average speed of 80 km/h. He maintained this speed for 4 h before increasing it by 9 km/h for the rest of the journey to Town A.
  1. How long did he take to complete the whole journey?
  2. What was his average speed from Town Z to Town A?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Rael drove from Town Z to Town A which was 450 km away. He started from Town Z at an average speed of 80 km/h. He maintained this speed for 4 h before increasing it by 9 km/h for the rest of the journey to Town A.
  1. How long did he take to complete the whole journey?
  2. What was his average speed from Town Z to Town A?