At 8 a.m., Oliver and Reggie left Park X and drove towards Park Y at average speeds of 99 km/h and 56 km/h respectively. Upon reaching Park Y, Oliver rested for 3 hours. He then headed back for Park X at an average speed of 99 km/h along the same route. Oliver and Reggie met each other on their way at 1 p.m.
- How far had Oliver covered when he met Reggie on the way?
- How far apart were the two parks?
(a)
Time taken by Reggie = 5 h
Time taken by Oliver = 5 - 3 = 2 h
Distance covered by Oliver when he met Reggie
= 2 x 99
= 198 km
(b)
Distance travelled by Reggie
= 5 x 56
= 280 km
Distance of the two parks
= (198 + 280) ÷ 2
= 478 ÷ 2
= 239 km
Answer(s): (a) 198 km; (b) 239 km