At 9 a.m., Jeremy and Peter left Park N and drove towards Park P at average speeds of 90 km/h and 56 km/h respectively. Upon reaching Park P, Jeremy rested for 3 hours. He then headed back for Park N at an average speed of 90 km/h along the same route. Jeremy and Peter met each other on their way at 1 p.m.
- How far had Jeremy covered when he met Peter on the way?
- How far apart were the two parks?
(a)
Time taken by Peter = 4 h
Time taken by Jeremy = 4 - 3 = 1 h
Distance covered by Jeremy when he met Peter
= 1 x 90
= 90 km
(b)
Distance travelled by Peter
= 4 x 56
= 224 km
Distance of the two parks
= (90 + 224) ÷ 2
= 314 ÷ 2
= 157 km
Answer(s): (a) 90 km; (b) 157 km