Originally Posted by Crockettnj
Originally Posted by Ringman
... Seventy grains of powder times 70,000,000 equals 700,000 pounds of powder.

No, it doesnt.

Yes it does.

A grain is 1/7,000 of a pound.

70/7,000 lbs x 70,000,000 = 700,000 pounds = 350 tons.