Question

a bike covers a distance of 2.5 km in 5 minutes calculate his speed km/h

Answer 1

5mins =(5/60 )hour =1/12 hour

speed =distance /time

=2.5/1/12 =30km/h

Answer 2

Answer:30km/h

Step-by-step explanation:

first,5 minutes=1/12 h  .Then,to calculate his speed,you use the formula:                        

V(his speed)=Q(distance):T(time)

so,2.5:1/12=30(km/h)

SORRY FOR MY BAD ENGLISH,CAUSE I'M FROM VIETNAM:))))