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January 29, 2015

January 29, 2015

Posted by **Susan** on Monday, September 26, 2011 at 9:38pm.

- math -
**Steve**, Tuesday, September 27, 2011 at 2:26pmIf I wanted to walk 10 miles at 5mph, how long would it take?

This is just the same. Don't let the fancy numbers get in the way.

time = distance/speed

5.79E7 km / 3.0E5 km/sec = 1.93E2 sec

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