At 5 a.m., Japheth and Fred left Park Q and drove towards Park R at average speeds of 92 km/h and 52 km/h respectively. Upon reaching Park R, Japheth rested for 3 hours. He then headed back for Park Q at an average speed of 92 km/h along the same route. Japheth and Fred met each other on their way at 12 noon.
- How far had Japheth 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 Japheth = 7 - 3 = 4 h
Distance covered by Japheth when he met Fred
= 4 x 92
= 368 km
(b)
Distance travelled by Fred
= 7 x 52
= 364 km
Distance of the two parks
= (368 + 364) ÷ 2
= 732 ÷ 2
= 366 km
Answer(s): (a) 368 km; (b) 366 km