Answer:
565.5 in^3
Explanation:
To find the full volume of the tank
V = l*w*h
We know 12 inches high, 14.5 inches long, and 6.5 inches wide.
Substituting in
V = 12 * 14.5*6.5
V =1131 in ^3
He is filling it 1/2 full, that would be 1/2 of the volume
1/2 V = 1131/2 = 565.5 in^3