At 7 a.m., Peter and Oliver left Park V and drove towards Park W at average speeds of 71 km/h and 56 km/h respectively. Upon reaching Park W, Peter rested for 3 hours. He then headed back for Park V at an average speed of 71 km/h along the same route. Peter and Oliver met each other on their way at 2 p.m.
- How far had Peter covered when he met Oliver on the way?
- How far apart were the two parks?
(a)
Time taken by Oliver = 7 h
Time taken by Peter = 7 - 3 = 4 h
Distance covered by Peter when he met Oliver
= 4 x 71
= 284 km
(b)
Distance travelled by Oliver
= 7 x 56
= 392 km
Distance of the two parks
= (284 + 392) ÷ 2
= 676 ÷ 2
= 338 km
Answer(s): (a) 284 km; (b) 338 km