a girl walks 12 km at the speed of 3 km per hour what change should we make in her speed to take an hour less and and our most to cover the distance
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total dist =12 km
speed=3km per hr
total time taken=4hrs
time needed to reach =3 hrs
dist=12 km
new speed = dist/time
12 km/3 hrs
=4km per hr
hope this will help u give thanks plz
speed=3km per hr
total time taken=4hrs
time needed to reach =3 hrs
dist=12 km
new speed = dist/time
12 km/3 hrs
=4km per hr
hope this will help u give thanks plz
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