brazil-enem 2017 Q172

brazil-enem · Other · enem__day2 Not Maths
Two reservoirs A and B are fed by separate pumps over a period of 20 hours. The amount of water contained in each reservoir during this period can be visualized in the figure.
The number of hours in which the two reservoirs contain the same amount of water is
(A) 1.
(B) 2.
(C) 4.
(D) 5.
(E) 6.
Two reservoirs A and B are fed by separate pumps over a period of 20 hours. The amount of water contained in each reservoir during this period can be visualized in the figure.

The number of hours in which the two reservoirs contain the same amount of water is\\
(A) 1.\\
(B) 2.\\
(C) 4.\\
(D) 5.\\
(E) 6.