At 7 a.m., Ken and Fred left Park F and drove towards Park G at average speeds of 89 km/h and 64 km/h respectively. Upon reaching Park G, Ken rested for 3 hours. He then headed back for Park F at an average speed of 89 km/h along the same route. Ken and Fred met each other on their way at 2 p.m.
- How far had Ken covered when he met Fred on the way?
- How far apart were the two parks?
(a)
Time taken by Fred = 7 h
Time taken by Ken = 7 - 3 = 4 h
Distance covered by Ken when he met Fred
= 4 x 89
= 356 km
(b)
Distance travelled by Fred
= 7 x 64
= 448 km
Distance of the two parks
= (356 + 448) ÷ 2
= 804 ÷ 2
= 402 km
Answer(s): (a) 356 km; (b) 402 km