How many cannon does washington have now? PLEASE HELP

On 20 Oct 1775, Col. Richard Gridley of the Continental artillery regiment presented his commander-in-chief, George Washington, with an “Inventory of Ordnance and Stores necessary for the present Army, supposing it to consist of twenty thousand Men.”

At the bottom of that sheet was a section headed “Ordnance, Shot, and Shells, now in Camp.” That listed:
Cannon:
24 pounders, 5; shot, 449.
18 pounders, 6; shot, 260.
12 pounders, 2; shot, 149.
9 pounders, 3; shot, 1,175.
8 pounder, 1.
6 pounders, 2.
5 1/4 pounders, 4; shot, 1,134.
4 pounders, 7; shot, 1,475.
3 pounders, 9; shot, 3,079.
2 1/2 pounders, 2; shot, 1,009.

Total number of cannon, 41.
Total number of shot, 8,730.
Carriages, ladles, rammers and sponges, &c., complete.

Mortars:
10 inch mortars, 3; shells, 374.
8 inch mortars 2; 8 inch howitzers, 3; shells, 452.
7 inch brass mortars, 2; shells, 641.

Total number of mortars, 10.
Total number of shells, 1,467.
With beds, carriages, and implements, complet.

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12

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