Gillian left home at 9.30 a.m. and drove towards the theme park which was 1120 km away. For the first 352 km, she was travelling at 88 km/h. Then she increased her speed by 8 km/h and completed the remaining journey.
- How long did she take for her whole journey?
- At what time did she reach the theme park?
(a)
Time taken to travel 352 km
= 352 ÷ 88
= 4 h
Distance of the remaining journey
= 1120 - 352
= 768 km
Speed for remaining journey
= 88 + 8
= 96 km/h
Time taken to travel remaining journey
= 768 ÷ 96
= 8 h
Time taken to travel the whole journey
= 8 + 4
= 12 h
(b)
12 h after 9.30 a.m. = 9.30 p.m.
Answer(s): (a) 12 h; (b) 9.30 p.m.