lalu stays 2.4km from his school.one morning he started to go to school on his bicycle at 8m per second. But all reaching half the distance his cycle got punchured and he has to walk to school at 9.6km/h. How long did he take to reach his school from his house.
plzzzzzz guy's solve it...FOR MY SAKE...
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Step-by-step explanation:
2.4km=2400m
1/2 distance=1/2*2400m
=1200m
t=d/s
t=(1200/8)sec
t=150sec
1/2distance by walk
t=(1.2/9.4)h
t=0.125h=7.5sec
total time =150+7.5=157.5
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