if a boy reaches school at 12km/h,if he reaches his school in20 minutes,what speed he need to reaches his school in 15 minutes
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Answered by
1
speed=distance/time
then, 12/20
=3/5km/h
then, 12/20
=3/5km/h
Answered by
1
if,he go 12km/h.
so,he can reach 1km in 5 minutes.
In 20 minutes he covers 4km.
so,what speed he need to reach 4km in 15 minutes.
if he reach 4km in 15 minutes.
so,he need 16km/h speed to reach his school in 15minutes.
so,he can reach 1km in 5 minutes.
In 20 minutes he covers 4km.
so,what speed he need to reach 4km in 15 minutes.
if he reach 4km in 15 minutes.
so,he need 16km/h speed to reach his school in 15minutes.
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