The roads on Bolandia all run either north - south or east - west and are laid out on a 5kmgrid. Ahmed and Wayne are delivery drivers. One morning, Ahmed starts at Abbeytownand drives 5km west then 15km south to reach Barneyville. He then drives 5km east toCarloston. Wayne started at Barneyville, drove 5km south to Denburgh then 10km eastand 15km north to Easterby. Ahmed then rings Wayne to arrange to meet for lunch.
If one of them stays where he is, what is the minimum distance the other must drive tomeet him?
10 km15 km25 km30 km35 km
The answer to this should be 10km, isn't it?