Question

disha cycles to her school at an average speed of 12 kilometers per hour . it takes her 20 min. to reach the school . if she wants reach her school in 15 minutes, what should her average speed.
Give me answer fast.
In full formula.​

Answer 1

Answer:

Step-by-step explanation: We know, Speed=Distance/Time;

Speed=12km/hour , Time=20 minutes or 20/60 hours,

Distance=Speed*Time=12*20/60=4km.

Now,

Time given=15 minutes or 15/60 hours, Distance=4km,

Therefore, Speed=Distance/Time,

=4/15/60

=16km/hr