At 6 a.m., Oliver and Dylan left Park H and drove towards Park J at average speeds of 84 km/h and 57 km/h respectively. Upon reaching Park J, Oliver rested for 3 hours. He then headed back for Park H at an average speed of 84 km/h along the same route. Oliver and Dylan met each other on their way at 2 p.m.
- How far had Oliver covered when he met Dylan on the way?
- How far apart were the two parks?
(a)
Time taken by Dylan = 8 h
Time taken by Oliver = 8 - 3 = 5 h
Distance covered by Oliver when he met Dylan
= 5 x 84
= 420 km
(b)
Distance travelled by Dylan
= 8 x 57
= 456 km
Distance of the two parks
= (420 + 456) ÷ 2
= 876 ÷ 2
= 438 km
Answer(s): (a) 420 km; (b) 438 km