Your answer is going to be 21 u just subract from the number to get ur answer
(1/12)X = 6800
6800/ (1/12) = X
X = 81600 (hours)
6800 (6.8 * 10^3) divided by 1/12 (12^-1) equals 81600. It will take 81600 hours for the pool to completely empty at a rate of 0.833333333 or 12^-1 gallons per second.
D. 311 divided by 12 = 25.91
The nearest tenth would be 25.9
The answer that I got was 7