Question
Shiyun left home at 10.40 a.m. and drove towards the city which was 648 km away. For the first 316 km, she was travelling at 79 km/h. Then she increased her speed by 4 km/h and completed the remaining journey.
  1. How long did she take for her whole journey?
  2. At what time did she reach the city?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Shiyun left home at 10.40 a.m. and drove towards the city which was 648 km away. For the first 316 km, she was travelling at 79 km/h. Then she increased her speed by 4 km/h and completed the remaining journey.
  1. How long did she take for her whole journey?
  2. At what time did she reach the city?