At 7 a.m., Perry and Archie left Park P and drove towards Park Q at average speeds of 84 km/h and 62 km/h respectively. Upon reaching Park Q, Perry rested for 2 hours. He then headed back for Park P at an average speed of 84 km/h along the same route. Perry and Archie met each other on their way at 12 noon.
- How far had Perry covered when he met Archie on the way?
- How far apart were the two parks?
(a)
Time taken by Archie = 5 h
Time taken by Perry = 5 - 2 = 3 h
Distance covered by Perry when he met Archie
= 3 x 84
= 252 km
(b)
Distance travelled by Archie
= 5 x 62
= 310 km
Distance of the two parks
= (252 + 310) ÷ 2
= 562 ÷ 2
= 281 km
Answer(s): (a) 252 km; (b) 281 km