At 7 a.m., Jack and Tommy left Park H and drove towards Park J at average speeds of 87 km/h and 64 km/h respectively. Upon reaching Park J, Jack rested for 3 hours. He then headed back for Park H at an average speed of 87 km/h along the same route. Jack and Tommy met each other on their way at 12 noon.
- How far had Jack covered when he met Tommy on the way?
- How far apart were the two parks?
(a)
Time taken by Tommy = 5 h
Time taken by Jack = 5 - 3 = 2 h
Distance covered by Jack when he met Tommy
= 2 x 87
= 174 km
(b)
Distance travelled by Tommy
= 5 x 64
= 320 km
Distance of the two parks
= (174 + 320) ÷ 2
= 494 ÷ 2
= 247 km
Answer(s): (a) 174 km; (b) 247 km
