Question: Three oil pumps fill three different tanks. The pumping rates of the pumps (in L/h) are r 1 , r 2 , and r 3

Three oil pumps fill three different tanks. The pumping rates of the pumps (in L/h) are r₁, r₂, and r₃, respectively. Because of malfunctions, they do not operate at capacity each time. Their rates can be found by solving the following system of equations:

n + 2 + 3 12 r + 2r = 13,000 3ri

n + 2 + 3 12 r + 2r = 13,000 3ri + 3rz + 2r3 = 36,000 - 14,000

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