Convert 6.4 Kilometers to Meters (km to m) with our conversion calculator and conversion tables. To convert 6.4 km to m use direct conversion formula below. 6.4 km = 6400 m. You also can convert 6.4 Kilometers to other Length (popular) units.
1/3 of an hour is 20 minutes. If show 10 laps in 5 minutes, just divide 20 by 5, which gives you 4, then multiply 4 times 10. She can swim 40 laps in 1/3 of an hour. Hope that helps. Mark Brainliest if it does. Thank you!