around 30mn is really good but I started around 45mn.
Sub 20 for a Man and sub 25mins for a girl is a good time.
According to Google @ http://www.google.com/search?q=5km+to+miles 5km is equal to 3.10685596 miles.
5km is about 3 miles.
Their average speed is the same, 5km/hour. Velocity takes both speed and direction into account. Hence Mia's average velocity was 5km/hour North, and Luisa's was 5km/hour South. Assuming they were in the same general region on Earth, this means their average velocities wee in opposite directions, but equal in magnitude.
5km = 5000m = 500 000cm, so 1cm goes into 5km 500 000 times
25 square kms
600km is 120 times greater than 5km.
9/5km or 1 4/5km
600m:5km = 600m:5000m = 600/5000 = 3/25
5km
time = distance/speed time = 5/9.6 = 0.52 hours, about 31 minutes
3.107