Question

A boy takes 16minutes to walk to school at a speed of 5 km per hour. How many minutes would he take if he cycled at 20 km per hour?

Answer 1

Answer:

_

1.1

Step-by-step explanation:

Case(i):-

Speed=5km/h

Distance=?

Time=16 minutes

Converting speed into m/s

5x5/18=1.389 m/s

Distance=Sx T

_

=25/18x16=22.2

Case (ii)

Speed=20km/h

Time=?

Distance=22.2(bar on 2)

Time =Distance/Speed

_ _

22.2/20=1.1 Answer///