3 ms·
for me, it's easier to think of it this way: 1 mi ~ 8/5 km, so v miles ~ v x 8 / 5 kms, and w kms ~ w x 5 / 8 miles.
by jgome 10y ago
for me, it's easier to think of it this way:
1 mi ~ 8/5 km, so v miles ~ v x 8 / 5 kms, and w kms ~ w x 5 / 8 miles.
- Bulkington 10y agoOr, just visualize your car's speedometer: 100kph=62mph and 100mph=160kph; approximate from there. http://a57.foxnews.com/global.fncstatic.com/static/managed/img/Leisure/2009/0/0/speedometer660.jpg http://a57.foxnews.com/global.fncstatic.com/static/managed/i...