The cyclist

The cyclist drove from A to B, 60 km away. The first half drove at 30 km/h, and the second at 20 km/h. How long did it take for him?

Final Answer:

t =  2.5 h

Step-by-step explanation:

s=60 km v1=30 km/h v2=20 km/h  s1=s/2=60/2=30 km  t1=s1/v1=30/30=1 h t2=s1/v2=30/20=23=1.5 h  t=t1+t2=1+1.5=2.5 h



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