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January 31, 2015

January 31, 2015

Posted by **GSU** on Friday, February 10, 2012 at 6:52pm.

- ENGINEERING -
**Damon**, Friday, February 10, 2012 at 8:09pm2.68 * 62.4 = 167 lbs/ft^3 if it were solid rock

so (167 - 100) = 67 pounds missing in voids

67 lb * 1 ft^3/167 lb = .4 ft^3 empty space

check .6 * 167 = 100

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