At 6 a.m., Albert and Ken left Park J and drove towards Park K at average speeds of 87 km/h and 61 km/h respectively. Upon reaching Park K, Albert rested for 2 hours. He then headed back for Park J at an average speed of 87 km/h along the same route. Albert and Ken met each other on their way at 2 p.m.
- How far had Albert covered when he met Ken on the way?
- How far apart were the two parks?
(a)
Time taken by Ken = 8 h
Time taken by Albert = 8 - 2 = 6 h
Distance covered by Albert when he met Ken
= 6 x 87
= 522 km
(b)
Distance travelled by Ken
= 8 x 61
= 488 km
Distance of the two parks
= (522 + 488) ÷ 2
= 1010 ÷ 2
= 505 km
Answer(s): (a) 522 km; (b) 505 km