Question
City X and City Y were 294 km apart. A sedan travelled from City X towards City Y. At the same time, a lorry started from City Y to City X. After travelling 113 h, the two vehicles were still 126 km apart. If the ratio of the average speed of the lorry to that of the sedan was 4 : 5, find
  1. the average speed of the lorry.
  2. the time taken for them to meet travelling the rest of the journey. Express your answer in h.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

City X and City Y were 294 km apart. A sedan travelled from City X towards City Y. At the same time, a lorry started from City Y to City X. After travelling 113 h, the two vehicles were still 126 km apart. If the ratio of the average speed of the lorry to that of the sedan was 4 : 5, find
  1. the average speed of the lorry.
  2. the time taken for them to meet travelling the rest of the journey. Express your answer in h.