a boy leaves his house at 9:30 am for his school. The school is 2 km away and classes start at 10:00am.If he walks at a speed of 3km/h for the first k/m at what speed should he walks the second k/m to reach just in time.
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Hey friend
the answer is 8 km/m
the answer is 8 km/m
Answered by
1
Hi friend the answer is 8km/m.
Himmu11:
wrong answer
1st km=3km/60minu so=1km =20 minu left=D=1km left=T=10 min in 10 minutes have to go 1 km speed =60 minutes=6km ans=6km/h
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