a boy leaves his house at 9:30 a.m. for his school. the school is 2km away and classes start at 10:00 a.m. if he walks at speed of 3km/h for the first kilometer, at what speed should he walk the second to reach just in time
Answers
Answered by
1
Answer:6km/h
Explanation:
It's a game of the formula S=D/T.
After walking at 3km/h for the first kilometre, the boy has spent 20minutes and is left with 10 minutes. Hence, the boy needs to cover 1km in 10 minutes,i.e he must walk at 6km/h.
Similar questions