Question

in a race runner 3.5 km in 7 minutes what was his speed in kilometre per hour​

Answer 1

Step-by-step explanation:

each minute he covered 3.5 km/7min=0.5 km/min

maintaining this speed ,in 1 hour,or 60 mins,he should cover 0.5 km/ min*60=30 min-> he was running at 30 km/ hour.

please mark me as brilliant please please please

Answer 2

a sor6yyyyyyyyyyyyyyyy