Question

Vani completes the 9 km distance race in 20 min. What is her speed. ​

Answer 1

Answer:

3 km /hr

Step-by-step explanation:

speed = distance x time

then, speed = 9 x 20/60 (it is divided by 60 because it is coverted from minutes to hours)

speed= 3 km /hr

Answer 2

Step-by-step explanation:

$speed \: = \frac{distance}{time}$

9km = 900m

=900/20

=45km/m