At 6 a.m., Peter and Valen left Park Z and drove towards Park A at average speeds of 97 km/h and 64 km/h respectively. Upon reaching Park A, Peter rested for 3 hours. He then headed back for Park Z at an average speed of 97 km/h along the same route. Peter and Valen met each other on their way at 1 p.m.
- How far had Peter covered when he met Valen on the way?
- How far apart were the two parks?
(a)
Time taken by Valen = 7 h
Time taken by Peter = 7 - 3 = 4 h
Distance covered by Peter when he met Valen
= 4 x 97
= 388 km
(b)
Distance travelled by Valen
= 7 x 64
= 448 km
Distance of the two parks
= (388 + 448) ÷ 2
= 836 ÷ 2
= 418 km
Answer(s): (a) 388 km; (b) 418 km